Home / 31,599.68-43,366.85-28,608.96

Finding the Fourth Proportional to 31,599.68, 43,366.85 and 28,608.96

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Solution

The fourth proportional to 31,599.68, 43,366.85 and 28,608.96 is: 39,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.68 : 43,366.85 = 28,608.96 : x
  2. Step 2: Convert to fraction form
    31,599.68/43,366.85 = 28,608.96/x
  3. Step 3: Cross multiply
    31,599.68x = 43,366.85 × 28,608.96
  4. Step 4: Simplify right side
    31,599.68x = 1,240,680,476.98
  5. Step 5: Solve for x
    x = 1,240,680,476.98/31,599.68
  6. Step 6: Final answer
    x = 39,262.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.