Home / 27,901.03-41,851.54-12,315.55

Finding the Fourth Proportional to 27,901.03, 41,851.54 and 12,315.55

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Solution

The fourth proportional to 27,901.03, 41,851.54 and 12,315.55 is: 18,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.03 : 41,851.54 = 12,315.55 : x
  2. Step 2: Convert to fraction form
    27,901.03/41,851.54 = 12,315.55/x
  3. Step 3: Cross multiply
    27,901.03x = 41,851.54 × 12,315.55
  4. Step 4: Simplify right side
    27,901.03x = 515,424,719.62
  5. Step 5: Solve for x
    x = 515,424,719.62/27,901.03
  6. Step 6: Final answer
    x = 18,473.32

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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.