Home / 22,760.88-34,110.36-13,405.20

Finding the Fourth Proportional to 22,760.88, 34,110.36 and 13,405.20

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Solution

The fourth proportional to 22,760.88, 34,110.36 and 13,405.20 is: 20,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,760.88 : 34,110.36 = 13,405.20 : x
  2. Step 2: Convert to fraction form
    22,760.88/34,110.36 = 13,405.20/x
  3. Step 3: Cross multiply
    22,760.88x = 34,110.36 × 13,405.20
  4. Step 4: Simplify right side
    22,760.88x = 457,256,197.87
  5. Step 5: Solve for x
    x = 457,256,197.87/22,760.88
  6. Step 6: Final answer
    x = 20,089.57

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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.