Home / 18,908.80-28,375.96-14,232.27

Finding the Fourth Proportional to 18,908.80, 28,375.96 and 14,232.27

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Solution

The fourth proportional to 18,908.80, 28,375.96 and 14,232.27 is: 21,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.80 : 28,375.96 = 14,232.27 : x
  2. Step 2: Convert to fraction form
    18,908.80/28,375.96 = 14,232.27/x
  3. Step 3: Cross multiply
    18,908.80x = 28,375.96 × 14,232.27
  4. Step 4: Simplify right side
    18,908.80x = 403,854,111.19
  5. Step 5: Solve for x
    x = 403,854,111.19/18,908.80
  6. Step 6: Final answer
    x = 21,358.00

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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.