Home / 27,231.12-40,850.16-9,702.72

Finding the Fourth Proportional to 27,231.12, 40,850.16 and 9,702.72

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Solution

The fourth proportional to 27,231.12, 40,850.16 and 9,702.72 is: 14,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,231.12 : 40,850.16 = 9,702.72 : x
  2. Step 2: Convert to fraction form
    27,231.12/40,850.16 = 9,702.72/x
  3. Step 3: Cross multiply
    27,231.12x = 40,850.16 × 9,702.72
  4. Step 4: Simplify right side
    27,231.12x = 396,357,664.44
  5. Step 5: Solve for x
    x = 396,357,664.44/27,231.12
  6. Step 6: Final answer
    x = 14,555.32

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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.