Home / 27,896.81-41,851.49-9,178.74

Finding the Fourth Proportional to 27,896.81, 41,851.49 and 9,178.74

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Solution

The fourth proportional to 27,896.81, 41,851.49 and 9,178.74 is: 13,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.81 : 41,851.49 = 9,178.74 : x
  2. Step 2: Convert to fraction form
    27,896.81/41,851.49 = 9,178.74/x
  3. Step 3: Cross multiply
    27,896.81x = 41,851.49 × 9,178.74
  4. Step 4: Simplify right side
    27,896.81x = 384,143,810.38
  5. Step 5: Solve for x
    x = 384,143,810.38/27,896.81
  6. Step 6: Final answer
    x = 13,770.17

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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.