Home / 28,362.61-42,540.66-7,587.73

Finding the Fourth Proportional to 28,362.61, 42,540.66 and 7,587.73

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Solution

The fourth proportional to 28,362.61, 42,540.66 and 7,587.73 is: 11,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.61 : 42,540.66 = 7,587.73 : x
  2. Step 2: Convert to fraction form
    28,362.61/42,540.66 = 7,587.73/x
  3. Step 3: Cross multiply
    28,362.61x = 42,540.66 × 7,587.73
  4. Step 4: Simplify right side
    28,362.61x = 322,787,042.10
  5. Step 5: Solve for x
    x = 322,787,042.10/28,362.61
  6. Step 6: Final answer
    x = 11,380.72

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1.5x scale

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.