Home / 28,202.86-42,307.92-9,474.82

Finding the Fourth Proportional to 28,202.86, 42,307.92 and 9,474.82

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Solution

The fourth proportional to 28,202.86, 42,307.92 and 9,474.82 is: 14,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.86 : 42,307.92 = 9,474.82 : x
  2. Step 2: Convert to fraction form
    28,202.86/42,307.92 = 9,474.82/x
  3. Step 3: Cross multiply
    28,202.86x = 42,307.92 × 9,474.82
  4. Step 4: Simplify right side
    28,202.86x = 400,859,926.57
  5. Step 5: Solve for x
    x = 400,859,926.57/28,202.86
  6. Step 6: Final answer
    x = 14,213.45

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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.