Home / 26,164.89-39,250.80-8,389.62

Finding the Fourth Proportional to 26,164.89, 39,250.80 and 8,389.62

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Solution

The fourth proportional to 26,164.89, 39,250.80 and 8,389.62 is: 12,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,164.89 : 39,250.80 = 8,389.62 : x
  2. Step 2: Convert to fraction form
    26,164.89/39,250.80 = 8,389.62/x
  3. Step 3: Cross multiply
    26,164.89x = 39,250.80 × 8,389.62
  4. Step 4: Simplify right side
    26,164.89x = 329,299,296.70
  5. Step 5: Solve for x
    x = 329,299,296.70/26,164.89
  6. Step 6: Final answer
    x = 12,585.54

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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.