Home / 26,491.20-39,722.40-10,910.40

Finding the Fourth Proportional to 26,491.20, 39,722.40 and 10,910.40

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Solution

The fourth proportional to 26,491.20, 39,722.40 and 10,910.40 is: 16,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.20 : 39,722.40 = 10,910.40 : x
  2. Step 2: Convert to fraction form
    26,491.20/39,722.40 = 10,910.40/x
  3. Step 3: Cross multiply
    26,491.20x = 39,722.40 × 10,910.40
  4. Step 4: Simplify right side
    26,491.20x = 433,387,272.96
  5. Step 5: Solve for x
    x = 433,387,272.96/26,491.20
  6. Step 6: Final answer
    x = 16,359.67

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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.