Home / 28,411.26-42,587.32-15,912.96

Finding the Fourth Proportional to 28,411.26, 42,587.32 and 15,912.96

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Solution

The fourth proportional to 28,411.26, 42,587.32 and 15,912.96 is: 23,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411.26 : 42,587.32 = 15,912.96 : x
  2. Step 2: Convert to fraction form
    28,411.26/42,587.32 = 15,912.96/x
  3. Step 3: Cross multiply
    28,411.26x = 42,587.32 × 15,912.96
  4. Step 4: Simplify right side
    28,411.26x = 677,690,319.67
  5. Step 5: Solve for x
    x = 677,690,319.67/28,411.26
  6. Step 6: Final answer
    x = 23,852.88

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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.