Home / 22,885.60-34,305.36-8,085.28

Finding the Fourth Proportional to 22,885.60, 34,305.36 and 8,085.28

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Solution

The fourth proportional to 22,885.60, 34,305.36 and 8,085.28 is: 12,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,885.60 : 34,305.36 = 8,085.28 : x
  2. Step 2: Convert to fraction form
    22,885.60/34,305.36 = 8,085.28/x
  3. Step 3: Cross multiply
    22,885.60x = 34,305.36 × 8,085.28
  4. Step 4: Simplify right side
    22,885.60x = 277,368,441.10
  5. Step 5: Solve for x
    x = 277,368,441.10/22,885.60
  6. Step 6: Final answer
    x = 12,119.78

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1.5x scale

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.