Home / 27,187.59-40,780.96-9,431.18

Finding the Fourth Proportional to 27,187.59, 40,780.96 and 9,431.18

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Solution

The fourth proportional to 27,187.59, 40,780.96 and 9,431.18 is: 14,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.59 : 40,780.96 = 9,431.18 : x
  2. Step 2: Convert to fraction form
    27,187.59/40,780.96 = 9,431.18/x
  3. Step 3: Cross multiply
    27,187.59x = 40,780.96 × 9,431.18
  4. Step 4: Simplify right side
    27,187.59x = 384,612,574.33
  5. Step 5: Solve for x
    x = 384,612,574.33/27,187.59
  6. Step 6: Final answer
    x = 14,146.62

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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.