Home / 28,321.17-39,082.35-16,221.24

Finding the Fourth Proportional to 28,321.17, 39,082.35 and 16,221.24

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Solution

The fourth proportional to 28,321.17, 39,082.35 and 16,221.24 is: 22,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321.17 : 39,082.35 = 16,221.24 : x
  2. Step 2: Convert to fraction form
    28,321.17/39,082.35 = 16,221.24/x
  3. Step 3: Cross multiply
    28,321.17x = 39,082.35 × 16,221.24
  4. Step 4: Simplify right side
    28,321.17x = 633,964,179.11
  5. Step 5: Solve for x
    x = 633,964,179.11/28,321.17
  6. Step 6: Final answer
    x = 22,384.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.