Home / 20,959.50-28,924.92-11,527.86

Finding the Fourth Proportional to 20,959.50, 28,924.92 and 11,527.86

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Solution

The fourth proportional to 20,959.50, 28,924.92 and 11,527.86 is: 15,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959.50 : 28,924.92 = 11,527.86 : x
  2. Step 2: Convert to fraction form
    20,959.50/28,924.92 = 11,527.86/x
  3. Step 3: Cross multiply
    20,959.50x = 28,924.92 × 11,527.86
  4. Step 4: Simplify right side
    20,959.50x = 333,442,428.27
  5. Step 5: Solve for x
    x = 333,442,428.27/20,959.50
  6. Step 6: Final answer
    x = 15,908.89

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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.