Home / 27,207.60-37,554.66-15,880.20

Finding the Fourth Proportional to 27,207.60, 37,554.66 and 15,880.20

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Solution

The fourth proportional to 27,207.60, 37,554.66 and 15,880.20 is: 21,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,207.60 : 37,554.66 = 15,880.20 : x
  2. Step 2: Convert to fraction form
    27,207.60/37,554.66 = 15,880.20/x
  3. Step 3: Cross multiply
    27,207.60x = 37,554.66 × 15,880.20
  4. Step 4: Simplify right side
    27,207.60x = 596,375,511.73
  5. Step 5: Solve for x
    x = 596,375,511.73/27,207.60
  6. Step 6: Final answer
    x = 21,919.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.