Home / 26,659.42-40,013.52-13,520.86

Finding the Fourth Proportional to 26,659.42, 40,013.52 and 13,520.86

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Solution

The fourth proportional to 26,659.42, 40,013.52 and 13,520.86 is: 20,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.42 : 40,013.52 = 13,520.86 : x
  2. Step 2: Convert to fraction form
    26,659.42/40,013.52 = 13,520.86/x
  3. Step 3: Cross multiply
    26,659.42x = 40,013.52 × 13,520.86
  4. Step 4: Simplify right side
    26,659.42x = 541,017,202.03
  5. Step 5: Solve for x
    x = 541,017,202.03/26,659.42
  6. Step 6: Final answer
    x = 20,293.66

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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.