Home / 28,187.26-42,282.24-23,247.74

Finding the Fourth Proportional to 28,187.26, 42,282.24 and 23,247.74

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Solution

The fourth proportional to 28,187.26, 42,282.24 and 23,247.74 is: 34,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.26 : 42,282.24 = 23,247.74 : x
  2. Step 2: Convert to fraction form
    28,187.26/42,282.24 = 23,247.74/x
  3. Step 3: Cross multiply
    28,187.26x = 42,282.24 × 23,247.74
  4. Step 4: Simplify right side
    28,187.26x = 982,966,540.66
  5. Step 5: Solve for x
    x = 982,966,540.66/28,187.26
  6. Step 6: Final answer
    x = 34,872.73

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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.