Home / 27,899.48-41,859.59-12,913.87

Finding the Fourth Proportional to 27,899.48, 41,859.59 and 12,913.87

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Solution

The fourth proportional to 27,899.48, 41,859.59 and 12,913.87 is: 19,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.48 : 41,859.59 = 12,913.87 : x
  2. Step 2: Convert to fraction form
    27,899.48/41,859.59 = 12,913.87/x
  3. Step 3: Cross multiply
    27,899.48x = 41,859.59 × 12,913.87
  4. Step 4: Simplify right side
    27,899.48x = 540,569,134.29
  5. Step 5: Solve for x
    x = 540,569,134.29/27,899.48
  6. Step 6: Final answer
    x = 19,375.60

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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.