Home / 27,851.47-41,778.57-9,123.92

Finding the Fourth Proportional to 27,851.47, 41,778.57 and 9,123.92

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Solution

The fourth proportional to 27,851.47, 41,778.57 and 9,123.92 is: 13,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851.47 : 41,778.57 = 9,123.92 : x
  2. Step 2: Convert to fraction form
    27,851.47/41,778.57 = 9,123.92/x
  3. Step 3: Cross multiply
    27,851.47x = 41,778.57 × 9,123.92
  4. Step 4: Simplify right side
    27,851.47x = 381,184,121.50
  5. Step 5: Solve for x
    x = 381,184,121.50/27,851.47
  6. Step 6: Final answer
    x = 13,686.32

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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.