Home / 27,732.36-38,267.20-15,794.18

Finding the Fourth Proportional to 27,732.36, 38,267.20 and 15,794.18

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Solution

The fourth proportional to 27,732.36, 38,267.20 and 15,794.18 is: 21,794.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.36 : 38,267.20 = 15,794.18 : x
  2. Step 2: Convert to fraction form
    27,732.36/38,267.20 = 15,794.18/x
  3. Step 3: Cross multiply
    27,732.36x = 38,267.20 × 15,794.18
  4. Step 4: Simplify right side
    27,732.36x = 604,399,044.90
  5. Step 5: Solve for x
    x = 604,399,044.90/27,732.36
  6. Step 6: Final answer
    x = 21,794.00

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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.