Home / 20,433.42-30,598.29-16,320.78

Finding the Fourth Proportional to 20,433.42, 30,598.29 and 16,320.78

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Solution

The fourth proportional to 20,433.42, 30,598.29 and 16,320.78 is: 24,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.42 : 30,598.29 = 16,320.78 : x
  2. Step 2: Convert to fraction form
    20,433.42/30,598.29 = 16,320.78/x
  3. Step 3: Cross multiply
    20,433.42x = 30,598.29 × 16,320.78
  4. Step 4: Simplify right side
    20,433.42x = 499,387,959.47
  5. Step 5: Solve for x
    x = 499,387,959.47/20,433.42
  6. Step 6: Final answer
    x = 24,439.76

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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.