Home / 26,619.11-39,930.96-9,756.70

Finding the Fourth Proportional to 26,619.11, 39,930.96 and 9,756.70

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Solution

The fourth proportional to 26,619.11, 39,930.96 and 9,756.70 is: 14,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.11 : 39,930.96 = 9,756.70 : x
  2. Step 2: Convert to fraction form
    26,619.11/39,930.96 = 9,756.70/x
  3. Step 3: Cross multiply
    26,619.11x = 39,930.96 × 9,756.70
  4. Step 4: Simplify right side
    26,619.11x = 389,594,397.43
  5. Step 5: Solve for x
    x = 389,594,397.43/26,619.11
  6. Step 6: Final answer
    x = 14,635.89

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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.