Home / 27,938.72-41,913.96-8,215.63

Finding the Fourth Proportional to 27,938.72, 41,913.96 and 8,215.63

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Solution

The fourth proportional to 27,938.72, 41,913.96 and 8,215.63 is: 12,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.72 : 41,913.96 = 8,215.63 : x
  2. Step 2: Convert to fraction form
    27,938.72/41,913.96 = 8,215.63/x
  3. Step 3: Cross multiply
    27,938.72x = 41,913.96 × 8,215.63
  4. Step 4: Simplify right side
    27,938.72x = 344,349,451.60
  5. Step 5: Solve for x
    x = 344,349,451.60/27,938.72
  6. Step 6: Final answer
    x = 12,325.17

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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.