Home / 27,346.20-37,738.54-15,408.88

Finding the Fourth Proportional to 27,346.20, 37,738.54 and 15,408.88

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Solution

The fourth proportional to 27,346.20, 37,738.54 and 15,408.88 is: 21,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,346.20 : 37,738.54 = 15,408.88 : x
  2. Step 2: Convert to fraction form
    27,346.20/37,738.54 = 15,408.88/x
  3. Step 3: Cross multiply
    27,346.20x = 37,738.54 × 15,408.88
  4. Step 4: Simplify right side
    27,346.20x = 581,508,634.24
  5. Step 5: Solve for x
    x = 581,508,634.24/27,346.20
  6. Step 6: Final answer
    x = 21,264.70

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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.