Home / 27,601.32-38,087.91-15,664.89

Finding the Fourth Proportional to 27,601.32, 38,087.91 and 15,664.89

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Solution

The fourth proportional to 27,601.32, 38,087.91 and 15,664.89 is: 21,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,601.32 : 38,087.91 = 15,664.89 : x
  2. Step 2: Convert to fraction form
    27,601.32/38,087.91 = 15,664.89/x
  3. Step 3: Cross multiply
    27,601.32x = 38,087.91 × 15,664.89
  4. Step 4: Simplify right side
    27,601.32x = 596,642,920.48
  5. Step 5: Solve for x
    x = 596,642,920.48/27,601.32
  6. Step 6: Final answer
    x = 21,616.46

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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.