Home / 27,601.25-38,088.59-15,664.37

Finding the Fourth Proportional to 27,601.25, 38,088.59 and 15,664.37

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Solution

The fourth proportional to 27,601.25, 38,088.59 and 15,664.37 is: 21,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,601.25 : 38,088.59 = 15,664.37 : x
  2. Step 2: Convert to fraction form
    27,601.25/38,088.59 = 15,664.37/x
  3. Step 3: Cross multiply
    27,601.25x = 38,088.59 × 15,664.37
  4. Step 4: Simplify right side
    27,601.25x = 596,633,497.77
  5. Step 5: Solve for x
    x = 596,633,497.77/27,601.25
  6. Step 6: Final answer
    x = 21,616.18

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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.