Home / 27,917.04-41,838.62-20,486.64

Finding the Fourth Proportional to 27,917.04, 41,838.62 and 20,486.64

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Solution

The fourth proportional to 27,917.04, 41,838.62 and 20,486.64 is: 30,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.04 : 41,838.62 = 20,486.64 : x
  2. Step 2: Convert to fraction form
    27,917.04/41,838.62 = 20,486.64/x
  3. Step 3: Cross multiply
    27,917.04x = 41,838.62 × 20,486.64
  4. Step 4: Simplify right side
    27,917.04x = 857,132,643.60
  5. Step 5: Solve for x
    x = 857,132,643.60/27,917.04
  6. Step 6: Final answer
    x = 30,702.85

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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.