Home / 27,428.94-41,112.30-12,607.23

Finding the Fourth Proportional to 27,428.94, 41,112.30 and 12,607.23

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Solution

The fourth proportional to 27,428.94, 41,112.30 and 12,607.23 is: 18,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.94 : 41,112.30 = 12,607.23 : x
  2. Step 2: Convert to fraction form
    27,428.94/41,112.30 = 12,607.23/x
  3. Step 3: Cross multiply
    27,428.94x = 41,112.30 × 12,607.23
  4. Step 4: Simplify right side
    27,428.94x = 518,312,221.93
  5. Step 5: Solve for x
    x = 518,312,221.93/27,428.94
  6. Step 6: Final answer
    x = 18,896.55

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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.