Home / 27,144.48-37,461.68-15,207.64

Finding the Fourth Proportional to 27,144.48, 37,461.68 and 15,207.64

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Solution

The fourth proportional to 27,144.48, 37,461.68 and 15,207.64 is: 20,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.48 : 37,461.68 = 15,207.64 : x
  2. Step 2: Convert to fraction form
    27,144.48/37,461.68 = 15,207.64/x
  3. Step 3: Cross multiply
    27,144.48x = 37,461.68 × 15,207.64
  4. Step 4: Simplify right side
    27,144.48x = 569,703,743.24
  5. Step 5: Solve for x
    x = 569,703,743.24/27,144.48
  6. Step 6: Final answer
    x = 20,987.83

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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.