Home / 27,936.40-38,552.90-15,190.32

Finding the Fourth Proportional to 27,936.40, 38,552.90 and 15,190.32

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Solution

The fourth proportional to 27,936.40, 38,552.90 and 15,190.32 is: 20,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.40 : 38,552.90 = 15,190.32 : x
  2. Step 2: Convert to fraction form
    27,936.40/38,552.90 = 15,190.32/x
  3. Step 3: Cross multiply
    27,936.40x = 38,552.90 × 15,190.32
  4. Step 4: Simplify right side
    27,936.40x = 585,630,887.93
  5. Step 5: Solve for x
    x = 585,630,887.93/27,936.40
  6. Step 6: Final answer
    x = 20,963.00

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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.