Home / 27,257.50-37,615.62-15,320.26

Finding the Fourth Proportional to 27,257.50, 37,615.62 and 15,320.26

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Solution

The fourth proportional to 27,257.50, 37,615.62 and 15,320.26 is: 21,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.50 : 37,615.62 = 15,320.26 : x
  2. Step 2: Convert to fraction form
    27,257.50/37,615.62 = 15,320.26/x
  3. Step 3: Cross multiply
    27,257.50x = 37,615.62 × 15,320.26
  4. Step 4: Simplify right side
    27,257.50x = 576,281,078.46
  5. Step 5: Solve for x
    x = 576,281,078.46/27,257.50
  6. Step 6: Final answer
    x = 21,142.11

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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.