Home / 27,188.42-37,556.12-21,294.05

Finding the Fourth Proportional to 27,188.42, 37,556.12 and 21,294.05

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Solution

The fourth proportional to 27,188.42, 37,556.12 and 21,294.05 is: 29,414.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.42 : 37,556.12 = 21,294.05 : x
  2. Step 2: Convert to fraction form
    27,188.42/37,556.12 = 21,294.05/x
  3. Step 3: Cross multiply
    27,188.42x = 37,556.12 × 21,294.05
  4. Step 4: Simplify right side
    27,188.42x = 799,721,762.54
  5. Step 5: Solve for x
    x = 799,721,762.54/27,188.42
  6. Step 6: Final answer
    x = 29,414.06

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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.