Home / 28,261.14-42,335.19-17,010.30

Finding the Fourth Proportional to 28,261.14, 42,335.19 and 17,010.30

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Solution

The fourth proportional to 28,261.14, 42,335.19 and 17,010.30 is: 25,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.14 : 42,335.19 = 17,010.30 : x
  2. Step 2: Convert to fraction form
    28,261.14/42,335.19 = 17,010.30/x
  3. Step 3: Cross multiply
    28,261.14x = 42,335.19 × 17,010.30
  4. Step 4: Simplify right side
    28,261.14x = 720,134,441.21
  5. Step 5: Solve for x
    x = 720,134,441.21/28,261.14
  6. Step 6: Final answer
    x = 25,481.44

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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.