Home / 27,894.53-38,494.45-15,319.28

Finding the Fourth Proportional to 27,894.53, 38,494.45 and 15,319.28

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Solution

The fourth proportional to 27,894.53, 38,494.45 and 15,319.28 is: 21,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.53 : 38,494.45 = 15,319.28 : x
  2. Step 2: Convert to fraction form
    27,894.53/38,494.45 = 15,319.28/x
  3. Step 3: Cross multiply
    27,894.53x = 38,494.45 × 15,319.28
  4. Step 4: Simplify right side
    27,894.53x = 589,707,258.00
  5. Step 5: Solve for x
    x = 589,707,258.00/27,894.53
  6. Step 6: Final answer
    x = 21,140.61

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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.