Home / 27,832.38-38,407.89-15,895.47

Finding the Fourth Proportional to 27,832.38, 38,407.89 and 15,895.47

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Solution

The fourth proportional to 27,832.38, 38,407.89 and 15,895.47 is: 21,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,832.38 : 38,407.89 = 15,895.47 : x
  2. Step 2: Convert to fraction form
    27,832.38/38,407.89 = 15,895.47/x
  3. Step 3: Cross multiply
    27,832.38x = 38,407.89 × 15,895.47
  4. Step 4: Simplify right side
    27,832.38x = 610,511,463.26
  5. Step 5: Solve for x
    x = 610,511,463.26/27,832.38
  6. Step 6: Final answer
    x = 21,935.29

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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.