Home / 27,986.16-38,616.80-16,050

Finding the Fourth Proportional to 27,986.16, 38,616.80 and 16,050

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Solution

The fourth proportional to 27,986.16, 38,616.80 and 16,050 is: 22,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.16 : 38,616.80 = 16,050 : x
  2. Step 2: Convert to fraction form
    27,986.16/38,616.80 = 16,050/x
  3. Step 3: Cross multiply
    27,986.16x = 38,616.80 × 16,050
  4. Step 4: Simplify right side
    27,986.16x = 619,799,640
  5. Step 5: Solve for x
    x = 619,799,640/27,986.16
  6. Step 6: Final answer
    x = 22,146.65

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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.