Home / 28,252.76-42,379.44-8,531.48

Finding the Fourth Proportional to 28,252.76, 42,379.44 and 8,531.48

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Solution

The fourth proportional to 28,252.76, 42,379.44 and 8,531.48 is: 12,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.76 : 42,379.44 = 8,531.48 : x
  2. Step 2: Convert to fraction form
    28,252.76/42,379.44 = 8,531.48/x
  3. Step 3: Cross multiply
    28,252.76x = 42,379.44 × 8,531.48
  4. Step 4: Simplify right side
    28,252.76x = 361,559,344.77
  5. Step 5: Solve for x
    x = 361,559,344.77/28,252.76
  6. Step 6: Final answer
    x = 12,797.31

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1.5x scale

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.