Home / 31,827.21-43,923.11-17,679.75

Finding the Fourth Proportional to 31,827.21, 43,923.11 and 17,679.75

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Solution

The fourth proportional to 31,827.21, 43,923.11 and 17,679.75 is: 24,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.21 : 43,923.11 = 17,679.75 : x
  2. Step 2: Convert to fraction form
    31,827.21/43,923.11 = 17,679.75/x
  3. Step 3: Cross multiply
    31,827.21x = 43,923.11 × 17,679.75
  4. Step 4: Simplify right side
    31,827.21x = 776,549,515.62
  5. Step 5: Solve for x
    x = 776,549,515.62/31,827.21
  6. Step 6: Final answer
    x = 24,398.92

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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.