Home / 26,165.59-39,245.65-13,680.56

Finding the Fourth Proportional to 26,165.59, 39,245.65 and 13,680.56

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Solution

The fourth proportional to 26,165.59, 39,245.65 and 13,680.56 is: 20,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,165.59 : 39,245.65 = 13,680.56 : x
  2. Step 2: Convert to fraction form
    26,165.59/39,245.65 = 13,680.56/x
  3. Step 3: Cross multiply
    26,165.59x = 39,245.65 × 13,680.56
  4. Step 4: Simplify right side
    26,165.59x = 536,902,533.48
  5. Step 5: Solve for x
    x = 536,902,533.48/26,165.59
  6. Step 6: Final answer
    x = 20,519.41

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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.