Home / 26,448-39,639.60-15,911.52

Finding the Fourth Proportional to 26,448, 39,639.60 and 15,911.52

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Solution

The fourth proportional to 26,448, 39,639.60 and 15,911.52 is: 23,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448 : 39,639.60 = 15,911.52 : x
  2. Step 2: Convert to fraction form
    26,448/39,639.60 = 15,911.52/x
  3. Step 3: Cross multiply
    26,448x = 39,639.60 × 15,911.52
  4. Step 4: Simplify right side
    26,448x = 630,726,288.19
  5. Step 5: Solve for x
    x = 630,726,288.19/26,448
  6. Step 6: Final answer
    x = 23,847.79

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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.