Home / 28,497.15-39,327.56-17,170.20

Finding the Fourth Proportional to 28,497.15, 39,327.56 and 17,170.20

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Solution

The fourth proportional to 28,497.15, 39,327.56 and 17,170.20 is: 23,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.15 : 39,327.56 = 17,170.20 : x
  2. Step 2: Convert to fraction form
    28,497.15/39,327.56 = 17,170.20/x
  3. Step 3: Cross multiply
    28,497.15x = 39,327.56 × 17,170.20
  4. Step 4: Simplify right side
    28,497.15x = 675,262,070.71
  5. Step 5: Solve for x
    x = 675,262,070.71/28,497.15
  6. Step 6: Final answer
    x = 23,695.78

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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.