Home / 22,750.64-34,124.81-8,717.39

Finding the Fourth Proportional to 22,750.64, 34,124.81 and 8,717.39

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Solution

The fourth proportional to 22,750.64, 34,124.81 and 8,717.39 is: 13,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.64 : 34,124.81 = 8,717.39 : x
  2. Step 2: Convert to fraction form
    22,750.64/34,124.81 = 8,717.39/x
  3. Step 3: Cross multiply
    22,750.64x = 34,124.81 × 8,717.39
  4. Step 4: Simplify right side
    22,750.64x = 297,479,233.86
  5. Step 5: Solve for x
    x = 297,479,233.86/22,750.64
  6. Step 6: Final answer
    x = 13,075.64

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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.