Home / 27,832.12-38,408.10-15,256.84

Finding the Fourth Proportional to 27,832.12, 38,408.10 and 15,256.84

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Solution

The fourth proportional to 27,832.12, 38,408.10 and 15,256.84 is: 21,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,832.12 : 38,408.10 = 15,256.84 : x
  2. Step 2: Convert to fraction form
    27,832.12/38,408.10 = 15,256.84/x
  3. Step 3: Cross multiply
    27,832.12x = 38,408.10 × 15,256.84
  4. Step 4: Simplify right side
    27,832.12x = 585,986,236.40
  5. Step 5: Solve for x
    x = 585,986,236.40/27,832.12
  6. Step 6: Final answer
    x = 21,054.32

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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.