Home / 27,114.59-37,391.85-21,144.08

Finding the Fourth Proportional to 27,114.59, 37,391.85 and 21,144.08

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Solution

The fourth proportional to 27,114.59, 37,391.85 and 21,144.08 is: 29,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,114.59 : 37,391.85 = 21,144.08 : x
  2. Step 2: Convert to fraction form
    27,114.59/37,391.85 = 21,144.08/x
  3. Step 3: Cross multiply
    27,114.59x = 37,391.85 × 21,144.08
  4. Step 4: Simplify right side
    27,114.59x = 790,616,361.23
  5. Step 5: Solve for x
    x = 790,616,361.23/27,114.59
  6. Step 6: Final answer
    x = 29,158.33

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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.