Home / 25,669.71-38,416.95-21,514.41

Finding the Fourth Proportional to 25,669.71, 38,416.95 and 21,514.41

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Solution

The fourth proportional to 25,669.71, 38,416.95 and 21,514.41 is: 32,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.71 : 38,416.95 = 21,514.41 : x
  2. Step 2: Convert to fraction form
    25,669.71/38,416.95 = 21,514.41/x
  3. Step 3: Cross multiply
    25,669.71x = 38,416.95 × 21,514.41
  4. Step 4: Simplify right side
    25,669.71x = 826,518,013.25
  5. Step 5: Solve for x
    x = 826,518,013.25/25,669.71
  6. Step 6: Final answer
    x = 32,198.18

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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.