Home / 22,839.05-31,515.53-12,767.21

Finding the Fourth Proportional to 22,839.05, 31,515.53 and 12,767.21

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Solution

The fourth proportional to 22,839.05, 31,515.53 and 12,767.21 is: 17,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,839.05 : 31,515.53 = 12,767.21 : x
  2. Step 2: Convert to fraction form
    22,839.05/31,515.53 = 12,767.21/x
  3. Step 3: Cross multiply
    22,839.05x = 31,515.53 × 12,767.21
  4. Step 4: Simplify right side
    22,839.05x = 402,365,168.36
  5. Step 5: Solve for x
    x = 402,365,168.36/22,839.05
  6. Step 6: Final answer
    x = 17,617.43

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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.