Home / 21,511.50-32,255.37-14,491.14

Finding the Fourth Proportional to 21,511.50, 32,255.37 and 14,491.14

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Solution

The fourth proportional to 21,511.50, 32,255.37 and 14,491.14 is: 21,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.50 : 32,255.37 = 14,491.14 : x
  2. Step 2: Convert to fraction form
    21,511.50/32,255.37 = 14,491.14/x
  3. Step 3: Cross multiply
    21,511.50x = 32,255.37 × 14,491.14
  4. Step 4: Simplify right side
    21,511.50x = 467,417,082.42
  5. Step 5: Solve for x
    x = 467,417,082.42/21,511.50
  6. Step 6: Final answer
    x = 21,728.71

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Double scale
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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.