Home / 25,102.31-34,626.80-15,654.47

Finding the Fourth Proportional to 25,102.31, 34,626.80 and 15,654.47

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Solution

The fourth proportional to 25,102.31, 34,626.80 and 15,654.47 is: 21,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.31 : 34,626.80 = 15,654.47 : x
  2. Step 2: Convert to fraction form
    25,102.31/34,626.80 = 15,654.47/x
  3. Step 3: Cross multiply
    25,102.31x = 34,626.80 × 15,654.47
  4. Step 4: Simplify right side
    25,102.31x = 542,064,123.52
  5. Step 5: Solve for x
    x = 542,064,123.52/25,102.31
  6. Step 6: Final answer
    x = 21,594.19

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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.