Home / 22,584.42-31,167.66-13,631.80

Finding the Fourth Proportional to 22,584.42, 31,167.66 and 13,631.80

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Solution

The fourth proportional to 22,584.42, 31,167.66 and 13,631.80 is: 18,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,584.42 : 31,167.66 = 13,631.80 : x
  2. Step 2: Convert to fraction form
    22,584.42/31,167.66 = 13,631.80/x
  3. Step 3: Cross multiply
    22,584.42x = 31,167.66 × 13,631.80
  4. Step 4: Simplify right side
    22,584.42x = 424,871,307.59
  5. Step 5: Solve for x
    x = 424,871,307.59/22,584.42
  6. Step 6: Final answer
    x = 18,812.58

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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.