Home / 28,149.43-42,140.01-17,022.46

Finding the Fourth Proportional to 28,149.43, 42,140.01 and 17,022.46

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Solution

The fourth proportional to 28,149.43, 42,140.01 and 17,022.46 is: 25,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.43 : 42,140.01 = 17,022.46 : x
  2. Step 2: Convert to fraction form
    28,149.43/42,140.01 = 17,022.46/x
  3. Step 3: Cross multiply
    28,149.43x = 42,140.01 × 17,022.46
  4. Step 4: Simplify right side
    28,149.43x = 717,326,634.62
  5. Step 5: Solve for x
    x = 717,326,634.62/28,149.43
  6. Step 6: Final answer
    x = 25,482.81

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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.