Home / 27,664.52-38,176.80-15,089

Finding the Fourth Proportional to 27,664.52, 38,176.80 and 15,089

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Solution

The fourth proportional to 27,664.52, 38,176.80 and 15,089 is: 20,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664.52 : 38,176.80 = 15,089 : x
  2. Step 2: Convert to fraction form
    27,664.52/38,176.80 = 15,089/x
  3. Step 3: Cross multiply
    27,664.52x = 38,176.80 × 15,089
  4. Step 4: Simplify right side
    27,664.52x = 576,049,735.20
  5. Step 5: Solve for x
    x = 576,049,735.20/27,664.52
  6. Step 6: Final answer
    x = 20,822.69

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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.