Home / 28,296.86-42,456.22-8,575.58

Finding the Fourth Proportional to 28,296.86, 42,456.22 and 8,575.58

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Solution

The fourth proportional to 28,296.86, 42,456.22 and 8,575.58 is: 12,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.86 : 42,456.22 = 8,575.58 : x
  2. Step 2: Convert to fraction form
    28,296.86/42,456.22 = 8,575.58/x
  3. Step 3: Cross multiply
    28,296.86x = 42,456.22 × 8,575.58
  4. Step 4: Simplify right side
    28,296.86x = 364,086,711.11
  5. Step 5: Solve for x
    x = 364,086,711.11/28,296.86
  6. Step 6: Final answer
    x = 12,866.68

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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.