Home / 20,545.89-28,353.33-11,595.27

Finding the Fourth Proportional to 20,545.89, 28,353.33 and 11,595.27

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Solution

The fourth proportional to 20,545.89, 28,353.33 and 11,595.27 is: 16,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.89 : 28,353.33 = 11,595.27 : x
  2. Step 2: Convert to fraction form
    20,545.89/28,353.33 = 11,595.27/x
  3. Step 3: Cross multiply
    20,545.89x = 28,353.33 × 11,595.27
  4. Step 4: Simplify right side
    20,545.89x = 328,764,516.75
  5. Step 5: Solve for x
    x = 328,764,516.75/20,545.89
  6. Step 6: Final answer
    x = 16,001.47

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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.