Home / 26,231.52-39,374.16-20,451.36

Finding the Fourth Proportional to 26,231.52, 39,374.16 and 20,451.36

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Solution

The fourth proportional to 26,231.52, 39,374.16 and 20,451.36 is: 30,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.52 : 39,374.16 = 20,451.36 : x
  2. Step 2: Convert to fraction form
    26,231.52/39,374.16 = 20,451.36/x
  3. Step 3: Cross multiply
    26,231.52x = 39,374.16 × 20,451.36
  4. Step 4: Simplify right side
    26,231.52x = 805,255,120.86
  5. Step 5: Solve for x
    x = 805,255,120.86/26,231.52
  6. Step 6: Final answer
    x = 30,698.00

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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.