Home / 26,697.20-39,971.98-20,103.39

Finding the Fourth Proportional to 26,697.20, 39,971.98 and 20,103.39

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Solution

The fourth proportional to 26,697.20, 39,971.98 and 20,103.39 is: 30,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,697.20 : 39,971.98 = 20,103.39 : x
  2. Step 2: Convert to fraction form
    26,697.20/39,971.98 = 20,103.39/x
  3. Step 3: Cross multiply
    26,697.20x = 39,971.98 × 20,103.39
  4. Step 4: Simplify right side
    26,697.20x = 803,572,328.14
  5. Step 5: Solve for x
    x = 803,572,328.14/26,697.20
  6. Step 6: Final answer
    x = 30,099.50

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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.