Home / 27,828.64-38,403.75-15,253.48

Finding the Fourth Proportional to 27,828.64, 38,403.75 and 15,253.48

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Solution

The fourth proportional to 27,828.64, 38,403.75 and 15,253.48 is: 21,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.64 : 38,403.75 = 15,253.48 : x
  2. Step 2: Convert to fraction form
    27,828.64/38,403.75 = 15,253.48/x
  3. Step 3: Cross multiply
    27,828.64x = 38,403.75 × 15,253.48
  4. Step 4: Simplify right side
    27,828.64x = 585,790,832.55
  5. Step 5: Solve for x
    x = 585,790,832.55/27,828.64
  6. Step 6: Final answer
    x = 21,049.93

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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.