Home / 23,131.86-34,692.60-10,639.89

Finding the Fourth Proportional to 23,131.86, 34,692.60 and 10,639.89

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Solution

The fourth proportional to 23,131.86, 34,692.60 and 10,639.89 is: 15,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.86 : 34,692.60 = 10,639.89 : x
  2. Step 2: Convert to fraction form
    23,131.86/34,692.60 = 10,639.89/x
  3. Step 3: Cross multiply
    23,131.86x = 34,692.60 × 10,639.89
  4. Step 4: Simplify right side
    23,131.86x = 369,125,277.82
  5. Step 5: Solve for x
    x = 369,125,277.82/23,131.86
  6. Step 6: Final answer
    x = 15,957.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.