Home / 21,715.28-32,549.02-14,209.82

Finding the Fourth Proportional to 21,715.28, 32,549.02 and 14,209.82

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Solution

The fourth proportional to 21,715.28, 32,549.02 and 14,209.82 is: 21,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.28 : 32,549.02 = 14,209.82 : x
  2. Step 2: Convert to fraction form
    21,715.28/32,549.02 = 14,209.82/x
  3. Step 3: Cross multiply
    21,715.28x = 32,549.02 × 14,209.82
  4. Step 4: Simplify right side
    21,715.28x = 462,515,715.38
  5. Step 5: Solve for x
    x = 462,515,715.38/21,715.28
  6. Step 6: Final answer
    x = 21,299.09

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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.