Home / 15,977.92-23,967.12-4,292.80

Finding the Fourth Proportional to 15,977.92, 23,967.12 and 4,292.80

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Solution

The fourth proportional to 15,977.92, 23,967.12 and 4,292.80 is: 6,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.92 : 23,967.12 = 4,292.80 : x
  2. Step 2: Convert to fraction form
    15,977.92/23,967.12 = 4,292.80/x
  3. Step 3: Cross multiply
    15,977.92x = 23,967.12 × 4,292.80
  4. Step 4: Simplify right side
    15,977.92x = 102,886,052.74
  5. Step 5: Solve for x
    x = 102,886,052.74/15,977.92
  6. Step 6: Final answer
    x = 6,439.26

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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.