Home / 29,237.75-40,348.10-15,989.75

Finding the Fourth Proportional to 29,237.75, 40,348.10 and 15,989.75

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Solution

The fourth proportional to 29,237.75, 40,348.10 and 15,989.75 is: 22,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,237.75 : 40,348.10 = 15,989.75 : x
  2. Step 2: Convert to fraction form
    29,237.75/40,348.10 = 15,989.75/x
  3. Step 3: Cross multiply
    29,237.75x = 40,348.10 × 15,989.75
  4. Step 4: Simplify right side
    29,237.75x = 645,156,031.98
  5. Step 5: Solve for x
    x = 645,156,031.98/29,237.75
  6. Step 6: Final answer
    x = 22,065.86

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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.