Home / 27,270.91-37,636.17-15,335.38

Finding the Fourth Proportional to 27,270.91, 37,636.17 and 15,335.38

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Solution

The fourth proportional to 27,270.91, 37,636.17 and 15,335.38 is: 21,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.91 : 37,636.17 = 15,335.38 : x
  2. Step 2: Convert to fraction form
    27,270.91/37,636.17 = 15,335.38/x
  3. Step 3: Cross multiply
    27,270.91x = 37,636.17 × 15,335.38
  4. Step 4: Simplify right side
    27,270.91x = 577,164,968.69
  5. Step 5: Solve for x
    x = 577,164,968.69/27,270.91
  6. Step 6: Final answer
    x = 21,164.13

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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.