Home / 29,707.32-40,996.20-16,278.72

Finding the Fourth Proportional to 29,707.32, 40,996.20 and 16,278.72

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Solution

The fourth proportional to 29,707.32, 40,996.20 and 16,278.72 is: 22,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,707.32 : 40,996.20 = 16,278.72 : x
  2. Step 2: Convert to fraction form
    29,707.32/40,996.20 = 16,278.72/x
  3. Step 3: Cross multiply
    29,707.32x = 40,996.20 × 16,278.72
  4. Step 4: Simplify right side
    29,707.32x = 667,365,660.86
  5. Step 5: Solve for x
    x = 667,365,660.86/29,707.32
  6. Step 6: Final answer
    x = 22,464.69

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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.