Home / 31,487.28-43,452.51-17,340.15

Finding the Fourth Proportional to 31,487.28, 43,452.51 and 17,340.15

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Solution

The fourth proportional to 31,487.28, 43,452.51 and 17,340.15 is: 23,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,487.28 : 43,452.51 = 17,340.15 : x
  2. Step 2: Convert to fraction form
    31,487.28/43,452.51 = 17,340.15/x
  3. Step 3: Cross multiply
    31,487.28x = 43,452.51 × 17,340.15
  4. Step 4: Simplify right side
    31,487.28x = 753,473,041.28
  5. Step 5: Solve for x
    x = 753,473,041.28/31,487.28
  6. Step 6: Final answer
    x = 23,929.44

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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.