Home / 28,442.43-39,250.53-15,867.18

Finding the Fourth Proportional to 28,442.43, 39,250.53 and 15,867.18

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Solution

The fourth proportional to 28,442.43, 39,250.53 and 15,867.18 is: 21,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442.43 : 39,250.53 = 15,867.18 : x
  2. Step 2: Convert to fraction form
    28,442.43/39,250.53 = 15,867.18/x
  3. Step 3: Cross multiply
    28,442.43x = 39,250.53 × 15,867.18
  4. Step 4: Simplify right side
    28,442.43x = 622,795,224.61
  5. Step 5: Solve for x
    x = 622,795,224.61/28,442.43
  6. Step 6: Final answer
    x = 21,896.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.