Home / 27,741.29-38,281.01-15,802.43

Finding the Fourth Proportional to 27,741.29, 38,281.01 and 15,802.43

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Solution

The fourth proportional to 27,741.29, 38,281.01 and 15,802.43 is: 21,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,741.29 : 38,281.01 = 15,802.43 : x
  2. Step 2: Convert to fraction form
    27,741.29/38,281.01 = 15,802.43/x
  3. Step 3: Cross multiply
    27,741.29x = 38,281.01 × 15,802.43
  4. Step 4: Simplify right side
    27,741.29x = 604,932,710.44
  5. Step 5: Solve for x
    x = 604,932,710.44/27,741.29
  6. Step 6: Final answer
    x = 21,806.23

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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.