Home / 15,815.92-23,721.18-5,284.48

Finding the Fourth Proportional to 15,815.92, 23,721.18 and 5,284.48

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Solution

The fourth proportional to 15,815.92, 23,721.18 and 5,284.48 is: 7,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.92 : 23,721.18 = 5,284.48 : x
  2. Step 2: Convert to fraction form
    15,815.92/23,721.18 = 5,284.48/x
  3. Step 3: Cross multiply
    15,815.92x = 23,721.18 × 5,284.48
  4. Step 4: Simplify right side
    15,815.92x = 125,354,101.29
  5. Step 5: Solve for x
    x = 125,354,101.29/15,815.92
  6. Step 6: Final answer
    x = 7,925.82

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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.