Home / 26,439.40-39,581.18-23,158.90

Finding the Fourth Proportional to 26,439.40, 39,581.18 and 23,158.90

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Solution

The fourth proportional to 26,439.40, 39,581.18 and 23,158.90 is: 34,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.40 : 39,581.18 = 23,158.90 : x
  2. Step 2: Convert to fraction form
    26,439.40/39,581.18 = 23,158.90/x
  3. Step 3: Cross multiply
    26,439.40x = 39,581.18 × 23,158.90
  4. Step 4: Simplify right side
    26,439.40x = 916,656,589.50
  5. Step 5: Solve for x
    x = 916,656,589.50/26,439.40
  6. Step 6: Final answer
    x = 34,670.10

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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.