Home / 21,489.05-32,217.91-14,451.57

Finding the Fourth Proportional to 21,489.05, 32,217.91 and 14,451.57

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Solution

The fourth proportional to 21,489.05, 32,217.91 and 14,451.57 is: 21,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,489.05 : 32,217.91 = 14,451.57 : x
  2. Step 2: Convert to fraction form
    21,489.05/32,217.91 = 14,451.57/x
  3. Step 3: Cross multiply
    21,489.05x = 32,217.91 × 14,451.57
  4. Step 4: Simplify right side
    21,489.05x = 465,599,345.49
  5. Step 5: Solve for x
    x = 465,599,345.49/21,489.05
  6. Step 6: Final answer
    x = 21,666.82

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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.