Home / 26,826.24-40,239.36-9,959.92

Finding the Fourth Proportional to 26,826.24, 40,239.36 and 9,959.92

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Solution

The fourth proportional to 26,826.24, 40,239.36 and 9,959.92 is: 14,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,826.24 : 40,239.36 = 9,959.92 : x
  2. Step 2: Convert to fraction form
    26,826.24/40,239.36 = 9,959.92/x
  3. Step 3: Cross multiply
    26,826.24x = 40,239.36 × 9,959.92
  4. Step 4: Simplify right side
    26,826.24x = 400,780,806.45
  5. Step 5: Solve for x
    x = 400,780,806.45/26,826.24
  6. Step 6: Final answer
    x = 14,939.88

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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.