Home / 28,243.62-42,366.24-15,756.66

Finding the Fourth Proportional to 28,243.62, 42,366.24 and 15,756.66

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Solution

The fourth proportional to 28,243.62, 42,366.24 and 15,756.66 is: 23,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243.62 : 42,366.24 = 15,756.66 : x
  2. Step 2: Convert to fraction form
    28,243.62/42,366.24 = 15,756.66/x
  3. Step 3: Cross multiply
    28,243.62x = 42,366.24 × 15,756.66
  4. Step 4: Simplify right side
    28,243.62x = 667,550,439.16
  5. Step 5: Solve for x
    x = 667,550,439.16/28,243.62
  6. Step 6: Final answer
    x = 23,635.44

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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.