Home / 27,863.02-38,451.32-15,116.29

Finding the Fourth Proportional to 27,863.02, 38,451.32 and 15,116.29

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Solution

The fourth proportional to 27,863.02, 38,451.32 and 15,116.29 is: 20,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.02 : 38,451.32 = 15,116.29 : x
  2. Step 2: Convert to fraction form
    27,863.02/38,451.32 = 15,116.29/x
  3. Step 3: Cross multiply
    27,863.02x = 38,451.32 × 15,116.29
  4. Step 4: Simplify right side
    27,863.02x = 581,241,274.01
  5. Step 5: Solve for x
    x = 581,241,274.01/27,863.02
  6. Step 6: Final answer
    x = 20,860.67

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Double scale
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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.