Home / 27,478.92-41,226.11-7,757.64

Finding the Fourth Proportional to 27,478.92, 41,226.11 and 7,757.64

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Solution

The fourth proportional to 27,478.92, 41,226.11 and 7,757.64 is: 11,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.92 : 41,226.11 = 7,757.64 : x
  2. Step 2: Convert to fraction form
    27,478.92/41,226.11 = 7,757.64/x
  3. Step 3: Cross multiply
    27,478.92x = 41,226.11 × 7,757.64
  4. Step 4: Simplify right side
    27,478.92x = 319,817,281.19
  5. Step 5: Solve for x
    x = 319,817,281.19/27,478.92
  6. Step 6: Final answer
    x = 11,638.64

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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.