Home / 28,057.62-42,032.44-17,531.78

Finding the Fourth Proportional to 28,057.62, 42,032.44 and 17,531.78

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Solution

The fourth proportional to 28,057.62, 42,032.44 and 17,531.78 is: 26,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.62 : 42,032.44 = 17,531.78 : x
  2. Step 2: Convert to fraction form
    28,057.62/42,032.44 = 17,531.78/x
  3. Step 3: Cross multiply
    28,057.62x = 42,032.44 × 17,531.78
  4. Step 4: Simplify right side
    28,057.62x = 736,903,236.95
  5. Step 5: Solve for x
    x = 736,903,236.95/28,057.62
  6. Step 6: Final answer
    x = 26,263.93

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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.