Home / 25,280.48-38,067.76-18,752.96

Finding the Fourth Proportional to 25,280.48, 38,067.76 and 18,752.96

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Solution

The fourth proportional to 25,280.48, 38,067.76 and 18,752.96 is: 28,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.48 : 38,067.76 = 18,752.96 : x
  2. Step 2: Convert to fraction form
    25,280.48/38,067.76 = 18,752.96/x
  3. Step 3: Cross multiply
    25,280.48x = 38,067.76 × 18,752.96
  4. Step 4: Simplify right side
    25,280.48x = 713,883,180.57
  5. Step 5: Solve for x
    x = 713,883,180.57/25,280.48
  6. Step 6: Final answer
    x = 28,238.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.