Home / 27,557.56-41,337.12-6,781

Finding the Fourth Proportional to 27,557.56, 41,337.12 and 6,781

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Solution

The fourth proportional to 27,557.56, 41,337.12 and 6,781 is: 10,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,557.56 : 41,337.12 = 6,781 : x
  2. Step 2: Convert to fraction form
    27,557.56/41,337.12 = 6,781/x
  3. Step 3: Cross multiply
    27,557.56x = 41,337.12 × 6,781
  4. Step 4: Simplify right side
    27,557.56x = 280,307,010.72
  5. Step 5: Solve for x
    x = 280,307,010.72/27,557.56
  6. Step 6: Final answer
    x = 10,171.69

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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.