Home / 23,138.22-34,700.15-8,345.21

Finding the Fourth Proportional to 23,138.22, 34,700.15 and 8,345.21

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Solution

The fourth proportional to 23,138.22, 34,700.15 and 8,345.21 is: 12,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.22 : 34,700.15 = 8,345.21 : x
  2. Step 2: Convert to fraction form
    23,138.22/34,700.15 = 8,345.21/x
  3. Step 3: Cross multiply
    23,138.22x = 34,700.15 × 8,345.21
  4. Step 4: Simplify right side
    23,138.22x = 289,580,180.78
  5. Step 5: Solve for x
    x = 289,580,180.78/23,138.22
  6. Step 6: Final answer
    x = 12,515.23

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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.