Home / 29,088.96-40,139.85-16,343.61

Finding the Fourth Proportional to 29,088.96, 40,139.85 and 16,343.61

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Solution

The fourth proportional to 29,088.96, 40,139.85 and 16,343.61 is: 22,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,088.96 : 40,139.85 = 16,343.61 : x
  2. Step 2: Convert to fraction form
    29,088.96/40,139.85 = 16,343.61/x
  3. Step 3: Cross multiply
    29,088.96x = 40,139.85 × 16,343.61
  4. Step 4: Simplify right side
    29,088.96x = 656,030,053.86
  5. Step 5: Solve for x
    x = 656,030,053.86/29,088.96
  6. Step 6: Final answer
    x = 22,552.54

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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.