Home / 40,722.24-56,192.85-27,986.61

Finding the Fourth Proportional to 40,722.24, 56,192.85 and 27,986.61

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Solution

The fourth proportional to 40,722.24, 56,192.85 and 27,986.61 is: 38,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,722.24 : 56,192.85 = 27,986.61 : x
  2. Step 2: Convert to fraction form
    40,722.24/56,192.85 = 27,986.61/x
  3. Step 3: Cross multiply
    40,722.24x = 56,192.85 × 27,986.61
  4. Step 4: Simplify right side
    40,722.24x = 1,572,647,377.74
  5. Step 5: Solve for x
    x = 1,572,647,377.74/40,722.24
  6. Step 6: Final answer
    x = 38,618.88

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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.