Home / 27,338.55-37,728.33-15,402.60

Finding the Fourth Proportional to 27,338.55, 37,728.33 and 15,402.60

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Solution

The fourth proportional to 27,338.55, 37,728.33 and 15,402.60 is: 21,256.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.55 : 37,728.33 = 15,402.60 : x
  2. Step 2: Convert to fraction form
    27,338.55/37,728.33 = 15,402.60/x
  3. Step 3: Cross multiply
    27,338.55x = 37,728.33 × 15,402.60
  4. Step 4: Simplify right side
    27,338.55x = 581,114,375.66
  5. Step 5: Solve for x
    x = 581,114,375.66/27,338.55
  6. Step 6: Final answer
    x = 21,256.23

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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.