Home / 15,981.29-23,957.35-5,587.37

Finding the Fourth Proportional to 15,981.29, 23,957.35 and 5,587.37

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Solution

The fourth proportional to 15,981.29, 23,957.35 and 5,587.37 is: 8,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.29 : 23,957.35 = 5,587.37 : x
  2. Step 2: Convert to fraction form
    15,981.29/23,957.35 = 5,587.37/x
  3. Step 3: Cross multiply
    15,981.29x = 23,957.35 × 5,587.37
  4. Step 4: Simplify right side
    15,981.29x = 133,858,578.67
  5. Step 5: Solve for x
    x = 133,858,578.67/15,981.29
  6. Step 6: Final answer
    x = 8,375.96

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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.