Home / 27,894.54-38,493.99-15,319.02

Finding the Fourth Proportional to 27,894.54, 38,493.99 and 15,319.02

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Solution

The fourth proportional to 27,894.54, 38,493.99 and 15,319.02 is: 21,139.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.54 : 38,493.99 = 15,319.02 : x
  2. Step 2: Convert to fraction form
    27,894.54/38,493.99 = 15,319.02/x
  3. Step 3: Cross multiply
    27,894.54x = 38,493.99 × 15,319.02
  4. Step 4: Simplify right side
    27,894.54x = 589,690,202.69
  5. Step 5: Solve for x
    x = 589,690,202.69/27,894.54
  6. Step 6: Final answer
    x = 21,139.99

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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.