Home / 21,512.97-32,269.50-5,931.81

Finding the Fourth Proportional to 21,512.97, 32,269.50 and 5,931.81

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Solution

The fourth proportional to 21,512.97, 32,269.50 and 5,931.81 is: 8,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,512.97 : 32,269.50 = 5,931.81 : x
  2. Step 2: Convert to fraction form
    21,512.97/32,269.50 = 5,931.81/x
  3. Step 3: Cross multiply
    21,512.97x = 32,269.50 × 5,931.81
  4. Step 4: Simplify right side
    21,512.97x = 191,416,542.80
  5. Step 5: Solve for x
    x = 191,416,542.80/21,512.97
  6. Step 6: Final answer
    x = 8,897.73

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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.