Home / 28,606.35-42,909.92-8,883.66

Finding the Fourth Proportional to 28,606.35, 42,909.92 and 8,883.66

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Solution

The fourth proportional to 28,606.35, 42,909.92 and 8,883.66 is: 13,325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.35 : 42,909.92 = 8,883.66 : x
  2. Step 2: Convert to fraction form
    28,606.35/42,909.92 = 8,883.66/x
  3. Step 3: Cross multiply
    28,606.35x = 42,909.92 × 8,883.66
  4. Step 4: Simplify right side
    28,606.35x = 381,197,162.12
  5. Step 5: Solve for x
    x = 381,197,162.12/28,606.35
  6. Step 6: Final answer
    x = 13,325.61

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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.