Home / 27,550.52-41,294.10-12,728.30

Finding the Fourth Proportional to 27,550.52, 41,294.10 and 12,728.30

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Solution

The fourth proportional to 27,550.52, 41,294.10 and 12,728.30 is: 19,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550.52 : 41,294.10 = 12,728.30 : x
  2. Step 2: Convert to fraction form
    27,550.52/41,294.10 = 12,728.30/x
  3. Step 3: Cross multiply
    27,550.52x = 41,294.10 × 12,728.30
  4. Step 4: Simplify right side
    27,550.52x = 525,603,693.03
  5. Step 5: Solve for x
    x = 525,603,693.03/27,550.52
  6. Step 6: Final answer
    x = 19,077.81

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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.