Home / 28,264.05-42,396.75-8,542.53

Finding the Fourth Proportional to 28,264.05, 42,396.75 and 8,542.53

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Solution

The fourth proportional to 28,264.05, 42,396.75 and 8,542.53 is: 12,814.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.05 : 42,396.75 = 8,542.53 : x
  2. Step 2: Convert to fraction form
    28,264.05/42,396.75 = 8,542.53/x
  3. Step 3: Cross multiply
    28,264.05x = 42,396.75 × 8,542.53
  4. Step 4: Simplify right side
    28,264.05x = 362,175,508.78
  5. Step 5: Solve for x
    x = 362,175,508.78/28,264.05
  6. Step 6: Final answer
    x = 12,814.00

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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.