Home / 31,900.80-47,851.20-15,256.92

Finding the Fourth Proportional to 31,900.80, 47,851.20 and 15,256.92

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Solution

The fourth proportional to 31,900.80, 47,851.20 and 15,256.92 is: 22,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,900.80 : 47,851.20 = 15,256.92 : x
  2. Step 2: Convert to fraction form
    31,900.80/47,851.20 = 15,256.92/x
  3. Step 3: Cross multiply
    31,900.80x = 47,851.20 × 15,256.92
  4. Step 4: Simplify right side
    31,900.80x = 730,061,930.30
  5. Step 5: Solve for x
    x = 730,061,930.30/31,900.80
  6. Step 6: Final answer
    x = 22,885.38

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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.