Home / 20,751.86-28,603.42-14,704.13

Finding the Fourth Proportional to 20,751.86, 28,603.42 and 14,704.13

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Solution

The fourth proportional to 20,751.86, 28,603.42 and 14,704.13 is: 20,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,751.86 : 28,603.42 = 14,704.13 : x
  2. Step 2: Convert to fraction form
    20,751.86/28,603.42 = 14,704.13/x
  3. Step 3: Cross multiply
    20,751.86x = 28,603.42 × 14,704.13
  4. Step 4: Simplify right side
    20,751.86x = 420,588,406.12
  5. Step 5: Solve for x
    x = 420,588,406.12/20,751.86
  6. Step 6: Final answer
    x = 20,267.50

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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.