Home / 22,520.08-31,082.70-14,979.52

Finding the Fourth Proportional to 22,520.08, 31,082.70 and 14,979.52

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Solution

The fourth proportional to 22,520.08, 31,082.70 and 14,979.52 is: 20,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520.08 : 31,082.70 = 14,979.52 : x
  2. Step 2: Convert to fraction form
    22,520.08/31,082.70 = 14,979.52/x
  3. Step 3: Cross multiply
    22,520.08x = 31,082.70 × 14,979.52
  4. Step 4: Simplify right side
    22,520.08x = 465,603,926.30
  5. Step 5: Solve for x
    x = 465,603,926.30/22,520.08
  6. Step 6: Final answer
    x = 20,675.06

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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.