Home / 27,615.72-41,393.78-13,559.40

Finding the Fourth Proportional to 27,615.72, 41,393.78 and 13,559.40

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Solution

The fourth proportional to 27,615.72, 41,393.78 and 13,559.40 is: 20,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.72 : 41,393.78 = 13,559.40 : x
  2. Step 2: Convert to fraction form
    27,615.72/41,393.78 = 13,559.40/x
  3. Step 3: Cross multiply
    27,615.72x = 41,393.78 × 13,559.40
  4. Step 4: Simplify right side
    27,615.72x = 561,274,820.53
  5. Step 5: Solve for x
    x = 561,274,820.53/27,615.72
  6. Step 6: Final answer
    x = 20,324.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.