Home / 20,522.12-28,248.21-14,847.66

Finding the Fourth Proportional to 20,522.12, 28,248.21 and 14,847.66

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Solution

The fourth proportional to 20,522.12, 28,248.21 and 14,847.66 is: 20,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.12 : 28,248.21 = 14,847.66 : x
  2. Step 2: Convert to fraction form
    20,522.12/28,248.21 = 14,847.66/x
  3. Step 3: Cross multiply
    20,522.12x = 28,248.21 × 14,847.66
  4. Step 4: Simplify right side
    20,522.12x = 419,419,817.69
  5. Step 5: Solve for x
    x = 419,419,817.69/20,522.12
  6. Step 6: Final answer
    x = 20,437.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.