Home / 27,027.91-37,292.52-15,690.88

Finding the Fourth Proportional to 27,027.91, 37,292.52 and 15,690.88

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Solution

The fourth proportional to 27,027.91, 37,292.52 and 15,690.88 is: 21,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027.91 : 37,292.52 = 15,690.88 : x
  2. Step 2: Convert to fraction form
    27,027.91/37,292.52 = 15,690.88/x
  3. Step 3: Cross multiply
    27,027.91x = 37,292.52 × 15,690.88
  4. Step 4: Simplify right side
    27,027.91x = 585,152,456.22
  5. Step 5: Solve for x
    x = 585,152,456.22/27,027.91
  6. Step 6: Final answer
    x = 21,649.93

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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.