Home / 22,552.80-31,125.04-12,993.04

Finding the Fourth Proportional to 22,552.80, 31,125.04 and 12,993.04

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Solution

The fourth proportional to 22,552.80, 31,125.04 and 12,993.04 is: 17,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.80 : 31,125.04 = 12,993.04 : x
  2. Step 2: Convert to fraction form
    22,552.80/31,125.04 = 12,993.04/x
  3. Step 3: Cross multiply
    22,552.80x = 31,125.04 × 12,993.04
  4. Step 4: Simplify right side
    22,552.80x = 404,408,889.72
  5. Step 5: Solve for x
    x = 404,408,889.72/22,552.80
  6. Step 6: Final answer
    x = 17,931.65

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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.