Home / 28,779.06-43,167.15-8,002.74

Finding the Fourth Proportional to 28,779.06, 43,167.15 and 8,002.74

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Solution

The fourth proportional to 28,779.06, 43,167.15 and 8,002.74 is: 12,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779.06 : 43,167.15 = 8,002.74 : x
  2. Step 2: Convert to fraction form
    28,779.06/43,167.15 = 8,002.74/x
  3. Step 3: Cross multiply
    28,779.06x = 43,167.15 × 8,002.74
  4. Step 4: Simplify right side
    28,779.06x = 345,455,477.99
  5. Step 5: Solve for x
    x = 345,455,477.99/28,779.06
  6. Step 6: Final answer
    x = 12,003.71

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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.