Home / 26,870.87-40,306.25-7,149.43

Finding the Fourth Proportional to 26,870.87, 40,306.25 and 7,149.43

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Solution

The fourth proportional to 26,870.87, 40,306.25 and 7,149.43 is: 10,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.87 : 40,306.25 = 7,149.43 : x
  2. Step 2: Convert to fraction form
    26,870.87/40,306.25 = 7,149.43/x
  3. Step 3: Cross multiply
    26,870.87x = 40,306.25 × 7,149.43
  4. Step 4: Simplify right side
    26,870.87x = 288,166,576.42
  5. Step 5: Solve for x
    x = 288,166,576.42/26,870.87
  6. Step 6: Final answer
    x = 10,724.13

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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.