Home / 27,480.72-37,909.44-17,392.16

Finding the Fourth Proportional to 27,480.72, 37,909.44 and 17,392.16

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Solution

The fourth proportional to 27,480.72, 37,909.44 and 17,392.16 is: 23,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.72 : 37,909.44 = 17,392.16 : x
  2. Step 2: Convert to fraction form
    27,480.72/37,909.44 = 17,392.16/x
  3. Step 3: Cross multiply
    27,480.72x = 37,909.44 × 17,392.16
  4. Step 4: Simplify right side
    27,480.72x = 659,327,045.99
  5. Step 5: Solve for x
    x = 659,327,045.99/27,480.72
  6. Step 6: Final answer
    x = 23,992.35

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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.