Home / 28,122.55-42,162.82-17,026.57

Finding the Fourth Proportional to 28,122.55, 42,162.82 and 17,026.57

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Solution

The fourth proportional to 28,122.55, 42,162.82 and 17,026.57 is: 25,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.55 : 42,162.82 = 17,026.57 : x
  2. Step 2: Convert to fraction form
    28,122.55/42,162.82 = 17,026.57/x
  3. Step 3: Cross multiply
    28,122.55x = 42,162.82 × 17,026.57
  4. Step 4: Simplify right side
    28,122.55x = 717,888,206.13
  5. Step 5: Solve for x
    x = 717,888,206.13/28,122.55
  6. Step 6: Final answer
    x = 25,527.14

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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.