Home / 25,658.62-38,488.52-20,397.27

Finding the Fourth Proportional to 25,658.62, 38,488.52 and 20,397.27

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Solution

The fourth proportional to 25,658.62, 38,488.52 and 20,397.27 is: 30,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,658.62 : 38,488.52 = 20,397.27 : x
  2. Step 2: Convert to fraction form
    25,658.62/38,488.52 = 20,397.27/x
  3. Step 3: Cross multiply
    25,658.62x = 38,488.52 × 20,397.27
  4. Step 4: Simplify right side
    25,658.62x = 785,060,598.43
  5. Step 5: Solve for x
    x = 785,060,598.43/25,658.62
  6. Step 6: Final answer
    x = 30,596.36

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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.