Home / 26,491.20-39,732.39-8,722.08

Finding the Fourth Proportional to 26,491.20, 39,732.39 and 8,722.08

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Solution

The fourth proportional to 26,491.20, 39,732.39 and 8,722.08 is: 13,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.20 : 39,732.39 = 8,722.08 : x
  2. Step 2: Convert to fraction form
    26,491.20/39,732.39 = 8,722.08/x
  3. Step 3: Cross multiply
    26,491.20x = 39,732.39 × 8,722.08
  4. Step 4: Simplify right side
    26,491.20x = 346,549,084.17
  5. Step 5: Solve for x
    x = 346,549,084.17/26,491.20
  6. Step 6: Final answer
    x = 13,081.67

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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.