Home / 27,601.94-38,089.36-15,663.65

Finding the Fourth Proportional to 27,601.94, 38,089.36 and 15,663.65

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Solution

The fourth proportional to 27,601.94, 38,089.36 and 15,663.65 is: 21,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,601.94 : 38,089.36 = 15,663.65 : x
  2. Step 2: Convert to fraction form
    27,601.94/38,089.36 = 15,663.65/x
  3. Step 3: Cross multiply
    27,601.94x = 38,089.36 × 15,663.65
  4. Step 4: Simplify right side
    27,601.94x = 596,618,403.76
  5. Step 5: Solve for x
    x = 596,618,403.76/27,601.94
  6. Step 6: Final answer
    x = 21,615.09

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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.