Home / 28,265.87-42,398.75-22,030.55

Finding the Fourth Proportional to 28,265.87, 42,398.75 and 22,030.55

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Solution

The fourth proportional to 28,265.87, 42,398.75 and 22,030.55 is: 33,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.87 : 42,398.75 = 22,030.55 : x
  2. Step 2: Convert to fraction form
    28,265.87/42,398.75 = 22,030.55/x
  3. Step 3: Cross multiply
    28,265.87x = 42,398.75 × 22,030.55
  4. Step 4: Simplify right side
    28,265.87x = 934,067,942.89
  5. Step 5: Solve for x
    x = 934,067,942.89/28,265.87
  6. Step 6: Final answer
    x = 33,045.79

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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.