Home / 26,833.60-40,282.80-26,639.20

Finding the Fourth Proportional to 26,833.60, 40,282.80 and 26,639.20

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Solution

The fourth proportional to 26,833.60, 40,282.80 and 26,639.20 is: 39,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,833.60 : 40,282.80 = 26,639.20 : x
  2. Step 2: Convert to fraction form
    26,833.60/40,282.80 = 26,639.20/x
  3. Step 3: Cross multiply
    26,833.60x = 40,282.80 × 26,639.20
  4. Step 4: Simplify right side
    26,833.60x = 1,073,101,565.76
  5. Step 5: Solve for x
    x = 1,073,101,565.76/26,833.60
  6. Step 6: Final answer
    x = 39,990.97

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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.