Home / 20,737.86-28,609.14-14,021.02

Finding the Fourth Proportional to 20,737.86, 28,609.14 and 14,021.02

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Solution

The fourth proportional to 20,737.86, 28,609.14 and 14,021.02 is: 19,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.86 : 28,609.14 = 14,021.02 : x
  2. Step 2: Convert to fraction form
    20,737.86/28,609.14 = 14,021.02/x
  3. Step 3: Cross multiply
    20,737.86x = 28,609.14 × 14,021.02
  4. Step 4: Simplify right side
    20,737.86x = 401,129,324.12
  5. Step 5: Solve for x
    x = 401,129,324.12/20,737.86
  6. Step 6: Final answer
    x = 19,342.85

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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.