Home / 21,423.11-32,134.32-5,840.73

Finding the Fourth Proportional to 21,423.11, 32,134.32 and 5,840.73

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Solution

The fourth proportional to 21,423.11, 32,134.32 and 5,840.73 is: 8,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,423.11 : 32,134.32 = 5,840.73 : x
  2. Step 2: Convert to fraction form
    21,423.11/32,134.32 = 5,840.73/x
  3. Step 3: Cross multiply
    21,423.11x = 32,134.32 × 5,840.73
  4. Step 4: Simplify right side
    21,423.11x = 187,687,925.20
  5. Step 5: Solve for x
    x = 187,687,925.20/21,423.11
  6. Step 6: Final answer
    x = 8,761.00

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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.