Home / 22,835.88-31,515.89-12,767.85

Finding the Fourth Proportional to 22,835.88, 31,515.89 and 12,767.85

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Solution

The fourth proportional to 22,835.88, 31,515.89 and 12,767.85 is: 17,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,835.88 : 31,515.89 = 12,767.85 : x
  2. Step 2: Convert to fraction form
    22,835.88/31,515.89 = 12,767.85/x
  3. Step 3: Cross multiply
    22,835.88x = 31,515.89 × 12,767.85
  4. Step 4: Simplify right side
    22,835.88x = 402,390,092.30
  5. Step 5: Solve for x
    x = 402,390,092.30/22,835.88
  6. Step 6: Final answer
    x = 17,620.96

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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.