Home / 26,289.28-39,449.28-26,078.08

Finding the Fourth Proportional to 26,289.28, 39,449.28 and 26,078.08

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Solution

The fourth proportional to 26,289.28, 39,449.28 and 26,078.08 is: 39,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289.28 : 39,449.28 = 26,078.08 : x
  2. Step 2: Convert to fraction form
    26,289.28/39,449.28 = 26,078.08/x
  3. Step 3: Cross multiply
    26,289.28x = 39,449.28 × 26,078.08
  4. Step 4: Simplify right side
    26,289.28x = 1,028,761,479.78
  5. Step 5: Solve for x
    x = 1,028,761,479.78/26,289.28
  6. Step 6: Final answer
    x = 39,132.36

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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.