Home / 26,864.06-40,300.44-8,139.71

Finding the Fourth Proportional to 26,864.06, 40,300.44 and 8,139.71

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Solution

The fourth proportional to 26,864.06, 40,300.44 and 8,139.71 is: 12,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,864.06 : 40,300.44 = 8,139.71 : x
  2. Step 2: Convert to fraction form
    26,864.06/40,300.44 = 8,139.71/x
  3. Step 3: Cross multiply
    26,864.06x = 40,300.44 × 8,139.71
  4. Step 4: Simplify right side
    26,864.06x = 328,033,692.97
  5. Step 5: Solve for x
    x = 328,033,692.97/26,864.06
  6. Step 6: Final answer
    x = 12,210.88

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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.