Home / 31,002.28-42,781.75-17,573.25

Finding the Fourth Proportional to 31,002.28, 42,781.75 and 17,573.25

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Solution

The fourth proportional to 31,002.28, 42,781.75 and 17,573.25 is: 24,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,002.28 : 42,781.75 = 17,573.25 : x
  2. Step 2: Convert to fraction form
    31,002.28/42,781.75 = 17,573.25/x
  3. Step 3: Cross multiply
    31,002.28x = 42,781.75 × 17,573.25
  4. Step 4: Simplify right side
    31,002.28x = 751,814,388.19
  5. Step 5: Solve for x
    x = 751,814,388.19/31,002.28
  6. Step 6: Final answer
    x = 24,250.29

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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.