Home / 27,040.77-40,561.10-7,319.85

Finding the Fourth Proportional to 27,040.77, 40,561.10 and 7,319.85

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Solution

The fourth proportional to 27,040.77, 40,561.10 and 7,319.85 is: 10,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,040.77 : 40,561.10 = 7,319.85 : x
  2. Step 2: Convert to fraction form
    27,040.77/40,561.10 = 7,319.85/x
  3. Step 3: Cross multiply
    27,040.77x = 40,561.10 × 7,319.85
  4. Step 4: Simplify right side
    27,040.77x = 296,901,131.24
  5. Step 5: Solve for x
    x = 296,901,131.24/27,040.77
  6. Step 6: Final answer
    x = 10,979.76

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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.