Home / 28,149.93-42,140.76-17,022.96

Finding the Fourth Proportional to 28,149.93, 42,140.76 and 17,022.96

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Solution

The fourth proportional to 28,149.93, 42,140.76 and 17,022.96 is: 25,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.93 : 42,140.76 = 17,022.96 : x
  2. Step 2: Convert to fraction form
    28,149.93/42,140.76 = 17,022.96/x
  3. Step 3: Cross multiply
    28,149.93x = 42,140.76 × 17,022.96
  4. Step 4: Simplify right side
    28,149.93x = 717,360,471.85
  5. Step 5: Solve for x
    x = 717,360,471.85/28,149.93
  6. Step 6: Final answer
    x = 25,483.56

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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.