Home / 28,534.32-39,377.70-15,959.16

Finding the Fourth Proportional to 28,534.32, 39,377.70 and 15,959.16

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Solution

The fourth proportional to 28,534.32, 39,377.70 and 15,959.16 is: 22,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.32 : 39,377.70 = 15,959.16 : x
  2. Step 2: Convert to fraction form
    28,534.32/39,377.70 = 15,959.16/x
  3. Step 3: Cross multiply
    28,534.32x = 39,377.70 × 15,959.16
  4. Step 4: Simplify right side
    28,534.32x = 628,435,014.73
  5. Step 5: Solve for x
    x = 628,435,014.73/28,534.32
  6. Step 6: Final answer
    x = 22,023.83

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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.