Home / 19,781.88-27,297.92-10,827.65

Finding the Fourth Proportional to 19,781.88, 27,297.92 and 10,827.65

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Solution

The fourth proportional to 19,781.88, 27,297.92 and 10,827.65 is: 14,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781.88 : 27,297.92 = 10,827.65 : x
  2. Step 2: Convert to fraction form
    19,781.88/27,297.92 = 10,827.65/x
  3. Step 3: Cross multiply
    19,781.88x = 27,297.92 × 10,827.65
  4. Step 4: Simplify right side
    19,781.88x = 295,572,132.86
  5. Step 5: Solve for x
    x = 295,572,132.86/19,781.88
  6. Step 6: Final answer
    x = 14,941.56

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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.