Home / 26,240.96-36,213.20-15,065.12

Finding the Fourth Proportional to 26,240.96, 36,213.20 and 15,065.12

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Solution

The fourth proportional to 26,240.96, 36,213.20 and 15,065.12 is: 20,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,240.96 : 36,213.20 = 15,065.12 : x
  2. Step 2: Convert to fraction form
    26,240.96/36,213.20 = 15,065.12/x
  3. Step 3: Cross multiply
    26,240.96x = 36,213.20 × 15,065.12
  4. Step 4: Simplify right side
    26,240.96x = 545,556,203.58
  5. Step 5: Solve for x
    x = 545,556,203.58/26,240.96
  6. Step 6: Final answer
    x = 20,790.25

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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.