Home / 27,408.56-37,820.58-15,471.18

Finding the Fourth Proportional to 27,408.56, 37,820.58 and 15,471.18

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Solution

The fourth proportional to 27,408.56, 37,820.58 and 15,471.18 is: 21,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,408.56 : 37,820.58 = 15,471.18 : x
  2. Step 2: Convert to fraction form
    27,408.56/37,820.58 = 15,471.18/x
  3. Step 3: Cross multiply
    27,408.56x = 37,820.58 × 15,471.18
  4. Step 4: Simplify right side
    27,408.56x = 585,129,000.88
  5. Step 5: Solve for x
    x = 585,129,000.88/27,408.56
  6. Step 6: Final answer
    x = 21,348.41

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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.