Home / 27,851.44-41,748-20,444.80

Finding the Fourth Proportional to 27,851.44, 41,748 and 20,444.80

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Solution

The fourth proportional to 27,851.44, 41,748 and 20,444.80 is: 30,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851.44 : 41,748 = 20,444.80 : x
  2. Step 2: Convert to fraction form
    27,851.44/41,748 = 20,444.80/x
  3. Step 3: Cross multiply
    27,851.44x = 41,748 × 20,444.80
  4. Step 4: Simplify right side
    27,851.44x = 853,529,510.40
  5. Step 5: Solve for x
    x = 853,529,510.40/27,851.44
  6. Step 6: Final answer
    x = 30,645.79

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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.