Home / 27,839.10-38,417.88-15,264.66

Finding the Fourth Proportional to 27,839.10, 38,417.88 and 15,264.66

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Solution

The fourth proportional to 27,839.10, 38,417.88 and 15,264.66 is: 21,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.10 : 38,417.88 = 15,264.66 : x
  2. Step 2: Convert to fraction form
    27,839.10/38,417.88 = 15,264.66/x
  3. Step 3: Cross multiply
    27,839.10x = 38,417.88 × 15,264.66
  4. Step 4: Simplify right side
    27,839.10x = 586,435,876.12
  5. Step 5: Solve for x
    x = 586,435,876.12/27,839.10
  6. Step 6: Final answer
    x = 21,065.19

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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.