Home / 22,482.90-31,035.15-20,120.94

Finding the Fourth Proportional to 22,482.90, 31,035.15 and 20,120.94

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Solution

The fourth proportional to 22,482.90, 31,035.15 and 20,120.94 is: 27,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.90 : 31,035.15 = 20,120.94 : x
  2. Step 2: Convert to fraction form
    22,482.90/31,035.15 = 20,120.94/x
  3. Step 3: Cross multiply
    22,482.90x = 31,035.15 × 20,120.94
  4. Step 4: Simplify right side
    22,482.90x = 624,456,391.04
  5. Step 5: Solve for x
    x = 624,456,391.04/22,482.90
  6. Step 6: Final answer
    x = 27,774.73

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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.