Home / 28,442.22-39,253.76-17,117.61

Finding the Fourth Proportional to 28,442.22, 39,253.76 and 17,117.61

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Solution

The fourth proportional to 28,442.22, 39,253.76 and 17,117.61 is: 23,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442.22 : 39,253.76 = 17,117.61 : x
  2. Step 2: Convert to fraction form
    28,442.22/39,253.76 = 17,117.61/x
  3. Step 3: Cross multiply
    28,442.22x = 39,253.76 × 17,117.61
  4. Step 4: Simplify right side
    28,442.22x = 671,930,469.13
  5. Step 5: Solve for x
    x = 671,930,469.13/28,442.22
  6. Step 6: Final answer
    x = 23,624.40

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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.