Home / 27,846.42-41,746.17-18,936.79

Finding the Fourth Proportional to 27,846.42, 41,746.17 and 18,936.79

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Solution

The fourth proportional to 27,846.42, 41,746.17 and 18,936.79 is: 28,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,846.42 : 41,746.17 = 18,936.79 : x
  2. Step 2: Convert to fraction form
    27,846.42/41,746.17 = 18,936.79/x
  3. Step 3: Cross multiply
    27,846.42x = 41,746.17 × 18,936.79
  4. Step 4: Simplify right side
    27,846.42x = 790,538,577.79
  5. Step 5: Solve for x
    x = 790,538,577.79/27,846.42
  6. Step 6: Final answer
    x = 28,389.24

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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.