Home / 27,601.48-38,091.09-15,665.32

Finding the Fourth Proportional to 27,601.48, 38,091.09 and 15,665.32

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Solution

The fourth proportional to 27,601.48, 38,091.09 and 15,665.32 is: 21,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,601.48 : 38,091.09 = 15,665.32 : x
  2. Step 2: Convert to fraction form
    27,601.48/38,091.09 = 15,665.32/x
  3. Step 3: Cross multiply
    27,601.48x = 38,091.09 × 15,665.32
  4. Step 4: Simplify right side
    27,601.48x = 596,709,114.00
  5. Step 5: Solve for x
    x = 596,709,114.00/27,601.48
  6. Step 6: Final answer
    x = 21,618.74

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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.