Home / 28,314.90-42,473.25-7,255.08

Finding the Fourth Proportional to 28,314.90, 42,473.25 and 7,255.08

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Solution

The fourth proportional to 28,314.90, 42,473.25 and 7,255.08 is: 10,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314.90 : 42,473.25 = 7,255.08 : x
  2. Step 2: Convert to fraction form
    28,314.90/42,473.25 = 7,255.08/x
  3. Step 3: Cross multiply
    28,314.90x = 42,473.25 × 7,255.08
  4. Step 4: Simplify right side
    28,314.90x = 308,146,826.61
  5. Step 5: Solve for x
    x = 308,146,826.61/28,314.90
  6. Step 6: Final answer
    x = 10,882.85

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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.