Home / 27,556.86-38,022.21-15,617.46

Finding the Fourth Proportional to 27,556.86, 38,022.21 and 15,617.46

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Solution

The fourth proportional to 27,556.86, 38,022.21 and 15,617.46 is: 21,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.86 : 38,022.21 = 15,617.46 : x
  2. Step 2: Convert to fraction form
    27,556.86/38,022.21 = 15,617.46/x
  3. Step 3: Cross multiply
    27,556.86x = 38,022.21 × 15,617.46
  4. Step 4: Simplify right side
    27,556.86x = 593,810,343.79
  5. Step 5: Solve for x
    x = 593,810,343.79/27,556.86
  6. Step 6: Final answer
    x = 21,548.55

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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.