Home / 25,391.22-38,044.98-8,742.21

Finding the Fourth Proportional to 25,391.22, 38,044.98 and 8,742.21

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Solution

The fourth proportional to 25,391.22, 38,044.98 and 8,742.21 is: 13,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391.22 : 38,044.98 = 8,742.21 : x
  2. Step 2: Convert to fraction form
    25,391.22/38,044.98 = 8,742.21/x
  3. Step 3: Cross multiply
    25,391.22x = 38,044.98 × 8,742.21
  4. Step 4: Simplify right side
    25,391.22x = 332,597,204.61
  5. Step 5: Solve for x
    x = 332,597,204.61/25,391.22
  6. Step 6: Final answer
    x = 13,098.91

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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.