Home / 26,699.91-40,049.49-7,979.53

Finding the Fourth Proportional to 26,699.91, 40,049.49 and 7,979.53

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Solution

The fourth proportional to 26,699.91, 40,049.49 and 7,979.53 is: 11,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,699.91 : 40,049.49 = 7,979.53 : x
  2. Step 2: Convert to fraction form
    26,699.91/40,049.49 = 7,979.53/x
  3. Step 3: Cross multiply
    26,699.91x = 40,049.49 × 7,979.53
  4. Step 4: Simplify right side
    26,699.91x = 319,576,106.94
  5. Step 5: Solve for x
    x = 319,576,106.94/26,699.91
  6. Step 6: Final answer
    x = 11,969.18

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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.