Home / 20,903.54-28,849.28-14,528.43

Finding the Fourth Proportional to 20,903.54, 28,849.28 and 14,528.43

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Solution

The fourth proportional to 20,903.54, 28,849.28 and 14,528.43 is: 20,050.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903.54 : 28,849.28 = 14,528.43 : x
  2. Step 2: Convert to fraction form
    20,903.54/28,849.28 = 14,528.43/x
  3. Step 3: Cross multiply
    20,903.54x = 28,849.28 × 14,528.43
  4. Step 4: Simplify right side
    20,903.54x = 419,134,672.39
  5. Step 5: Solve for x
    x = 419,134,672.39/20,903.54
  6. Step 6: Final answer
    x = 20,050.90

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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.