Home / 26,912.40-40,368.84-9,382.20

Finding the Fourth Proportional to 26,912.40, 40,368.84 and 9,382.20

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Solution

The fourth proportional to 26,912.40, 40,368.84 and 9,382.20 is: 14,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.40 : 40,368.84 = 9,382.20 : x
  2. Step 2: Convert to fraction form
    26,912.40/40,368.84 = 9,382.20/x
  3. Step 3: Cross multiply
    26,912.40x = 40,368.84 × 9,382.20
  4. Step 4: Simplify right side
    26,912.40x = 378,748,530.65
  5. Step 5: Solve for x
    x = 378,748,530.65/26,912.40
  6. Step 6: Final answer
    x = 14,073.38

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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.