Home / 27,153.38-37,468.62-15,215.00

Finding the Fourth Proportional to 27,153.38, 37,468.62 and 15,215.00

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Solution

The fourth proportional to 27,153.38, 37,468.62 and 15,215.00 is: 20,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.38 : 37,468.62 = 15,215.00 : x
  2. Step 2: Convert to fraction form
    27,153.38/37,468.62 = 15,215.00/x
  3. Step 3: Cross multiply
    27,153.38x = 37,468.62 × 15,215.00
  4. Step 4: Simplify right side
    27,153.38x = 570,084,865.96
  5. Step 5: Solve for x
    x = 570,084,865.96/27,153.38
  6. Step 6: Final answer
    x = 20,994.99

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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.