Home / 27,588.78-41,385.60-8,870.49

Finding the Fourth Proportional to 27,588.78, 41,385.60 and 8,870.49

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Solution

The fourth proportional to 27,588.78, 41,385.60 and 8,870.49 is: 13,306.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.78 : 41,385.60 = 8,870.49 : x
  2. Step 2: Convert to fraction form
    27,588.78/41,385.60 = 8,870.49/x
  3. Step 3: Cross multiply
    27,588.78x = 41,385.60 × 8,870.49
  4. Step 4: Simplify right side
    27,588.78x = 367,110,550.94
  5. Step 5: Solve for x
    x = 367,110,550.94/27,588.78
  6. Step 6: Final answer
    x = 13,306.52

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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.