Home / 27,622.57-38,116.29-15,521.13

Finding the Fourth Proportional to 27,622.57, 38,116.29 and 15,521.13

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Solution

The fourth proportional to 27,622.57, 38,116.29 and 15,521.13 is: 21,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,622.57 : 38,116.29 = 15,521.13 : x
  2. Step 2: Convert to fraction form
    27,622.57/38,116.29 = 15,521.13/x
  3. Step 3: Cross multiply
    27,622.57x = 38,116.29 × 15,521.13
  4. Step 4: Simplify right side
    27,622.57x = 591,607,892.21
  5. Step 5: Solve for x
    x = 591,607,892.21/27,622.57
  6. Step 6: Final answer
    x = 21,417.55

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Half scale
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Double scale
Find fourth proportional to 27,623.57, 38,117.67 and 15,522.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.