Home / 27,438.70-41,178.51-18,532.96

Finding the Fourth Proportional to 27,438.70, 41,178.51 and 18,532.96

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Solution

The fourth proportional to 27,438.70, 41,178.51 and 18,532.96 is: 27,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.70 : 41,178.51 = 18,532.96 : x
  2. Step 2: Convert to fraction form
    27,438.70/41,178.51 = 18,532.96/x
  3. Step 3: Cross multiply
    27,438.70x = 41,178.51 × 18,532.96
  4. Step 4: Simplify right side
    27,438.70x = 763,159,678.69
  5. Step 5: Solve for x
    x = 763,159,678.69/27,438.70
  6. Step 6: Final answer
    x = 27,813.26

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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.