Home / 26,545.44-39,818.16-8,077.60

Finding the Fourth Proportional to 26,545.44, 39,818.16 and 8,077.60

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Solution

The fourth proportional to 26,545.44, 39,818.16 and 8,077.60 is: 12,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,545.44 : 39,818.16 = 8,077.60 : x
  2. Step 2: Convert to fraction form
    26,545.44/39,818.16 = 8,077.60/x
  3. Step 3: Cross multiply
    26,545.44x = 39,818.16 × 8,077.60
  4. Step 4: Simplify right side
    26,545.44x = 321,635,169.22
  5. Step 5: Solve for x
    x = 321,635,169.22/26,545.44
  6. Step 6: Final answer
    x = 12,116.40

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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.