Home / 27,106.56-37,403.88-15,169.56

Finding the Fourth Proportional to 27,106.56, 37,403.88 and 15,169.56

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Solution

The fourth proportional to 27,106.56, 37,403.88 and 15,169.56 is: 20,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.56 : 37,403.88 = 15,169.56 : x
  2. Step 2: Convert to fraction form
    27,106.56/37,403.88 = 15,169.56/x
  3. Step 3: Cross multiply
    27,106.56x = 37,403.88 × 15,169.56
  4. Step 4: Simplify right side
    27,106.56x = 567,400,401.89
  5. Step 5: Solve for x
    x = 567,400,401.89/27,106.56
  6. Step 6: Final answer
    x = 20,932.22

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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.