Home / 26,123.32-39,189-8,589.04

Finding the Fourth Proportional to 26,123.32, 39,189 and 8,589.04

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Solution

The fourth proportional to 26,123.32, 39,189 and 8,589.04 is: 12,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.32 : 39,189 = 8,589.04 : x
  2. Step 2: Convert to fraction form
    26,123.32/39,189 = 8,589.04/x
  3. Step 3: Cross multiply
    26,123.32x = 39,189 × 8,589.04
  4. Step 4: Simplify right side
    26,123.32x = 336,595,888.56
  5. Step 5: Solve for x
    x = 336,595,888.56/26,123.32
  6. Step 6: Final answer
    x = 12,884.88

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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.