Home / 27,775.08-41,665.87-9,757.78

Finding the Fourth Proportional to 27,775.08, 41,665.87 and 9,757.78

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Solution

The fourth proportional to 27,775.08, 41,665.87 and 9,757.78 is: 14,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.08 : 41,665.87 = 9,757.78 : x
  2. Step 2: Convert to fraction form
    27,775.08/41,665.87 = 9,757.78/x
  3. Step 3: Cross multiply
    27,775.08x = 41,665.87 × 9,757.78
  4. Step 4: Simplify right side
    27,775.08x = 406,566,264.41
  5. Step 5: Solve for x
    x = 406,566,264.41/27,775.08
  6. Step 6: Final answer
    x = 14,637.81

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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.