Home / 26,407.96-36,439.52-15,793.72

Finding the Fourth Proportional to 26,407.96, 36,439.52 and 15,793.72

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Solution

The fourth proportional to 26,407.96, 36,439.52 and 15,793.72 is: 21,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,407.96 : 36,439.52 = 15,793.72 : x
  2. Step 2: Convert to fraction form
    26,407.96/36,439.52 = 15,793.72/x
  3. Step 3: Cross multiply
    26,407.96x = 36,439.52 × 15,793.72
  4. Step 4: Simplify right side
    26,407.96x = 575,515,575.81
  5. Step 5: Solve for x
    x = 575,515,575.81/26,407.96
  6. Step 6: Final answer
    x = 21,793.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.