Home / 18,734.92-28,108.01-5,587.28

Finding the Fourth Proportional to 18,734.92, 28,108.01 and 5,587.28

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Solution

The fourth proportional to 18,734.92, 28,108.01 and 5,587.28 is: 8,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.92 : 28,108.01 = 5,587.28 : x
  2. Step 2: Convert to fraction form
    18,734.92/28,108.01 = 5,587.28/x
  3. Step 3: Cross multiply
    18,734.92x = 28,108.01 × 5,587.28
  4. Step 4: Simplify right side
    18,734.92x = 157,047,300.95
  5. Step 5: Solve for x
    x = 157,047,300.95/18,734.92
  6. Step 6: Final answer
    x = 8,382.60

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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.