Home / 25,147.40-37,721.10-22,425.80

Finding the Fourth Proportional to 25,147.40, 37,721.10 and 22,425.80

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Solution

The fourth proportional to 25,147.40, 37,721.10 and 22,425.80 is: 33,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.40 : 37,721.10 = 22,425.80 : x
  2. Step 2: Convert to fraction form
    25,147.40/37,721.10 = 22,425.80/x
  3. Step 3: Cross multiply
    25,147.40x = 37,721.10 × 22,425.80
  4. Step 4: Simplify right side
    25,147.40x = 845,925,844.38
  5. Step 5: Solve for x
    x = 845,925,844.38/25,147.40
  6. Step 6: Final answer
    x = 33,638.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.