Home / 27,832.64-38,408.96-15,257.40

Finding the Fourth Proportional to 27,832.64, 38,408.96 and 15,257.40

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Solution

The fourth proportional to 27,832.64, 38,408.96 and 15,257.40 is: 21,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,832.64 : 38,408.96 = 15,257.40 : x
  2. Step 2: Convert to fraction form
    27,832.64/38,408.96 = 15,257.40/x
  3. Step 3: Cross multiply
    27,832.64x = 38,408.96 × 15,257.40
  4. Step 4: Simplify right side
    27,832.64x = 586,020,866.30
  5. Step 5: Solve for x
    x = 586,020,866.30/27,832.64
  6. Step 6: Final answer
    x = 21,055.17

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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.