Home / 31,567.28-43,562.79-17,420.11

Finding the Fourth Proportional to 31,567.28, 43,562.79 and 17,420.11

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Solution

The fourth proportional to 31,567.28, 43,562.79 and 17,420.11 is: 24,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.28 : 43,562.79 = 17,420.11 : x
  2. Step 2: Convert to fraction form
    31,567.28/43,562.79 = 17,420.11/x
  3. Step 3: Cross multiply
    31,567.28x = 43,562.79 × 17,420.11
  4. Step 4: Simplify right side
    31,567.28x = 758,868,484.80
  5. Step 5: Solve for x
    x = 758,868,484.80/31,567.28
  6. Step 6: Final answer
    x = 24,039.72

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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.