Home / 28,171.14-42,227.51-17,616.93

Finding the Fourth Proportional to 28,171.14, 42,227.51 and 17,616.93

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Solution

The fourth proportional to 28,171.14, 42,227.51 and 17,616.93 is: 26,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171.14 : 42,227.51 = 17,616.93 : x
  2. Step 2: Convert to fraction form
    28,171.14/42,227.51 = 17,616.93/x
  3. Step 3: Cross multiply
    28,171.14x = 42,227.51 × 17,616.93
  4. Step 4: Simplify right side
    28,171.14x = 743,918,999.66
  5. Step 5: Solve for x
    x = 743,918,999.66/28,171.14
  6. Step 6: Final answer
    x = 26,407.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.