Home / 21,778.48-32,645.65-14,759.20

Finding the Fourth Proportional to 21,778.48, 32,645.65 and 14,759.20

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Solution

The fourth proportional to 21,778.48, 32,645.65 and 14,759.20 is: 22,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,778.48 : 32,645.65 = 14,759.20 : x
  2. Step 2: Convert to fraction form
    21,778.48/32,645.65 = 14,759.20/x
  3. Step 3: Cross multiply
    21,778.48x = 32,645.65 × 14,759.20
  4. Step 4: Simplify right side
    21,778.48x = 481,823,677.48
  5. Step 5: Solve for x
    x = 481,823,677.48/21,778.48
  6. Step 6: Final answer
    x = 22,123.84

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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.