Home / 20,614.28-28,436.82-14,648.36

Finding the Fourth Proportional to 20,614.28, 28,436.82 and 14,648.36

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Solution

The fourth proportional to 20,614.28, 28,436.82 and 14,648.36 is: 20,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.28 : 28,436.82 = 14,648.36 : x
  2. Step 2: Convert to fraction form
    20,614.28/28,436.82 = 14,648.36/x
  3. Step 3: Cross multiply
    20,614.28x = 28,436.82 × 14,648.36
  4. Step 4: Simplify right side
    20,614.28x = 416,552,776.62
  5. Step 5: Solve for x
    x = 416,552,776.62/20,614.28
  6. Step 6: Final answer
    x = 20,207.00

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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.