Home / 21,489.68-32,234.56-5,908.56

Finding the Fourth Proportional to 21,489.68, 32,234.56 and 5,908.56

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Solution

The fourth proportional to 21,489.68, 32,234.56 and 5,908.56 is: 8,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,489.68 : 32,234.56 = 5,908.56 : x
  2. Step 2: Convert to fraction form
    21,489.68/32,234.56 = 5,908.56/x
  3. Step 3: Cross multiply
    21,489.68x = 32,234.56 × 5,908.56
  4. Step 4: Simplify right side
    21,489.68x = 190,459,831.83
  5. Step 5: Solve for x
    x = 190,459,831.83/21,489.68
  6. Step 6: Final answer
    x = 8,862.85

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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.