Home / 27,639.10-41,465.02-7,917.82

Finding the Fourth Proportional to 27,639.10, 41,465.02 and 7,917.82

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Solution

The fourth proportional to 27,639.10, 41,465.02 and 7,917.82 is: 11,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.10 : 41,465.02 = 7,917.82 : x
  2. Step 2: Convert to fraction form
    27,639.10/41,465.02 = 7,917.82/x
  3. Step 3: Cross multiply
    27,639.10x = 41,465.02 × 7,917.82
  4. Step 4: Simplify right side
    27,639.10x = 328,312,564.66
  5. Step 5: Solve for x
    x = 328,312,564.66/27,639.10
  6. Step 6: Final answer
    x = 11,878.55

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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.