Home / 27,646.97-38,158.29-17,587.31

Finding the Fourth Proportional to 27,646.97, 38,158.29 and 17,587.31

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Solution

The fourth proportional to 27,646.97, 38,158.29 and 17,587.31 is: 24,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.97 : 38,158.29 = 17,587.31 : x
  2. Step 2: Convert to fraction form
    27,646.97/38,158.29 = 17,587.31/x
  3. Step 3: Cross multiply
    27,646.97x = 38,158.29 × 17,587.31
  4. Step 4: Simplify right side
    27,646.97x = 671,101,675.30
  5. Step 5: Solve for x
    x = 671,101,675.30/27,646.97
  6. Step 6: Final answer
    x = 24,273.97

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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.