Home / 28,077.31-42,091.17-11,451.25

Finding the Fourth Proportional to 28,077.31, 42,091.17 and 11,451.25

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Solution

The fourth proportional to 28,077.31, 42,091.17 and 11,451.25 is: 17,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077.31 : 42,091.17 = 11,451.25 : x
  2. Step 2: Convert to fraction form
    28,077.31/42,091.17 = 11,451.25/x
  3. Step 3: Cross multiply
    28,077.31x = 42,091.17 × 11,451.25
  4. Step 4: Simplify right side
    28,077.31x = 481,996,510.46
  5. Step 5: Solve for x
    x = 481,996,510.46/28,077.31
  6. Step 6: Final answer
    x = 17,166.76

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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.