Home / 28,605.66-39,475.96-17,272.74

Finding the Fourth Proportional to 28,605.66, 39,475.96 and 17,272.74

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Solution

The fourth proportional to 28,605.66, 39,475.96 and 17,272.74 is: 23,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.66 : 39,475.96 = 17,272.74 : x
  2. Step 2: Convert to fraction form
    28,605.66/39,475.96 = 17,272.74/x
  3. Step 3: Cross multiply
    28,605.66x = 39,475.96 × 17,272.74
  4. Step 4: Simplify right side
    28,605.66x = 681,858,098.18
  5. Step 5: Solve for x
    x = 681,858,098.18/28,605.66
  6. Step 6: Final answer
    x = 23,836.48

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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.