Home / 27,888.16-41,845.92-12,287.20

Finding the Fourth Proportional to 27,888.16, 41,845.92 and 12,287.20

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Solution

The fourth proportional to 27,888.16, 41,845.92 and 12,287.20 is: 18,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.16 : 41,845.92 = 12,287.20 : x
  2. Step 2: Convert to fraction form
    27,888.16/41,845.92 = 12,287.20/x
  3. Step 3: Cross multiply
    27,888.16x = 41,845.92 × 12,287.20
  4. Step 4: Simplify right side
    27,888.16x = 514,169,188.22
  5. Step 5: Solve for x
    x = 514,169,188.22/27,888.16
  6. Step 6: Final answer
    x = 18,436.83

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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.