Home / 25,564.97-38,328.33-17,221.57

Finding the Fourth Proportional to 25,564.97, 38,328.33 and 17,221.57

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Solution

The fourth proportional to 25,564.97, 38,328.33 and 17,221.57 is: 25,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,564.97 : 38,328.33 = 17,221.57 : x
  2. Step 2: Convert to fraction form
    25,564.97/38,328.33 = 17,221.57/x
  3. Step 3: Cross multiply
    25,564.97x = 38,328.33 × 17,221.57
  4. Step 4: Simplify right side
    25,564.97x = 660,074,018.08
  5. Step 5: Solve for x
    x = 660,074,018.08/25,564.97
  6. Step 6: Final answer
    x = 25,819.47

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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.