Home / 22,750.34-31,388.05-12,676.85

Finding the Fourth Proportional to 22,750.34, 31,388.05 and 12,676.85

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Solution

The fourth proportional to 22,750.34, 31,388.05 and 12,676.85 is: 17,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.34 : 31,388.05 = 12,676.85 : x
  2. Step 2: Convert to fraction form
    22,750.34/31,388.05 = 12,676.85/x
  3. Step 3: Cross multiply
    22,750.34x = 31,388.05 × 12,676.85
  4. Step 4: Simplify right side
    22,750.34x = 397,901,601.64
  5. Step 5: Solve for x
    x = 397,901,601.64/22,750.34
  6. Step 6: Final answer
    x = 17,489.92

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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.