Home / 28,512.61-39,337.65-17,177.82

Finding the Fourth Proportional to 28,512.61, 39,337.65 and 17,177.82

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Solution

The fourth proportional to 28,512.61, 39,337.65 and 17,177.82 is: 23,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512.61 : 39,337.65 = 17,177.82 : x
  2. Step 2: Convert to fraction form
    28,512.61/39,337.65 = 17,177.82/x
  3. Step 3: Cross multiply
    28,512.61x = 39,337.65 × 17,177.82
  4. Step 4: Simplify right side
    28,512.61x = 675,735,144.68
  5. Step 5: Solve for x
    x = 675,735,144.68/28,512.61
  6. Step 6: Final answer
    x = 23,699.52

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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.