Home / 27,335.20-37,726.16-15,400.84

Finding the Fourth Proportional to 27,335.20, 37,726.16 and 15,400.84

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Solution

The fourth proportional to 27,335.20, 37,726.16 and 15,400.84 is: 21,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,335.20 : 37,726.16 = 15,400.84 : x
  2. Step 2: Convert to fraction form
    27,335.20/37,726.16 = 15,400.84/x
  3. Step 3: Cross multiply
    27,335.20x = 37,726.16 × 15,400.84
  4. Step 4: Simplify right side
    27,335.20x = 581,014,553.97
  5. Step 5: Solve for x
    x = 581,014,553.97/27,335.20
  6. Step 6: Final answer
    x = 21,255.18

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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.