Home / 28,253.00-42,379.81-8,531.73

Finding the Fourth Proportional to 28,253.00, 42,379.81 and 8,531.73

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Solution

The fourth proportional to 28,253.00, 42,379.81 and 8,531.73 is: 12,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.00 : 42,379.81 = 8,531.73 : x
  2. Step 2: Convert to fraction form
    28,253.00/42,379.81 = 8,531.73/x
  3. Step 3: Cross multiply
    28,253.00x = 42,379.81 × 8,531.73
  4. Step 4: Simplify right side
    28,253.00x = 361,573,075.04
  5. Step 5: Solve for x
    x = 361,573,075.04/28,253.00
  6. Step 6: Final answer
    x = 12,797.69

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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.