Home / 27,813.13-38,382.14-15,237.88

Finding the Fourth Proportional to 27,813.13, 38,382.14 and 15,237.88

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Solution

The fourth proportional to 27,813.13, 38,382.14 and 15,237.88 is: 21,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.13 : 38,382.14 = 15,237.88 : x
  2. Step 2: Convert to fraction form
    27,813.13/38,382.14 = 15,237.88/x
  3. Step 3: Cross multiply
    27,813.13x = 38,382.14 × 15,237.88
  4. Step 4: Simplify right side
    27,813.13x = 584,862,443.46
  5. Step 5: Solve for x
    x = 584,862,443.46/27,813.13
  6. Step 6: Final answer
    x = 21,028.29

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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.