Home / 26,942.12-37,181.16-15,612

Finding the Fourth Proportional to 26,942.12, 37,181.16 and 15,612

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Solution

The fourth proportional to 26,942.12, 37,181.16 and 15,612 is: 21,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.12 : 37,181.16 = 15,612 : x
  2. Step 2: Convert to fraction form
    26,942.12/37,181.16 = 15,612/x
  3. Step 3: Cross multiply
    26,942.12x = 37,181.16 × 15,612
  4. Step 4: Simplify right side
    26,942.12x = 580,472,269.92
  5. Step 5: Solve for x
    x = 580,472,269.92/26,942.12
  6. Step 6: Final answer
    x = 21,545.16

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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.