Home / 26,188.14-39,288.36-8,657.96

Finding the Fourth Proportional to 26,188.14, 39,288.36 and 8,657.96

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Solution

The fourth proportional to 26,188.14, 39,288.36 and 8,657.96 is: 12,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.14 : 39,288.36 = 8,657.96 : x
  2. Step 2: Convert to fraction form
    26,188.14/39,288.36 = 8,657.96/x
  3. Step 3: Cross multiply
    26,188.14x = 39,288.36 × 8,657.96
  4. Step 4: Simplify right side
    26,188.14x = 340,157,049.35
  5. Step 5: Solve for x
    x = 340,157,049.35/26,188.14
  6. Step 6: Final answer
    x = 12,988.97

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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.