Home / 25,634.92-38,448.54-21,280.36

Finding the Fourth Proportional to 25,634.92, 38,448.54 and 21,280.36

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Solution

The fourth proportional to 25,634.92, 38,448.54 and 21,280.36 is: 31,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,634.92 : 38,448.54 = 21,280.36 : x
  2. Step 2: Convert to fraction form
    25,634.92/38,448.54 = 21,280.36/x
  3. Step 3: Cross multiply
    25,634.92x = 38,448.54 × 21,280.36
  4. Step 4: Simplify right side
    25,634.92x = 818,198,772.67
  5. Step 5: Solve for x
    x = 818,198,772.67/25,634.92
  6. Step 6: Final answer
    x = 31,917.35

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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.