Home / 28,569.26-42,860.14-8,577.92

Finding the Fourth Proportional to 28,569.26, 42,860.14 and 8,577.92

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Solution

The fourth proportional to 28,569.26, 42,860.14 and 8,577.92 is: 12,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.26 : 42,860.14 = 8,577.92 : x
  2. Step 2: Convert to fraction form
    28,569.26/42,860.14 = 8,577.92/x
  3. Step 3: Cross multiply
    28,569.26x = 42,860.14 × 8,577.92
  4. Step 4: Simplify right side
    28,569.26x = 367,650,937.81
  5. Step 5: Solve for x
    x = 367,650,937.81/28,569.26
  6. Step 6: Final answer
    x = 12,868.76

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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.