Home / 20,308.67-27,963.65-17,776.61

Finding the Fourth Proportional to 20,308.67, 27,963.65 and 17,776.61

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Solution

The fourth proportional to 20,308.67, 27,963.65 and 17,776.61 is: 24,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,308.67 : 27,963.65 = 17,776.61 : x
  2. Step 2: Convert to fraction form
    20,308.67/27,963.65 = 17,776.61/x
  3. Step 3: Cross multiply
    20,308.67x = 27,963.65 × 17,776.61
  4. Step 4: Simplify right side
    20,308.67x = 497,098,804.85
  5. Step 5: Solve for x
    x = 497,098,804.85/20,308.67
  6. Step 6: Final answer
    x = 24,477.18

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1.5x scale

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.