Home / 27,894.42-38,494.31-15,319.17

Finding the Fourth Proportional to 27,894.42, 38,494.31 and 15,319.17

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Solution

The fourth proportional to 27,894.42, 38,494.31 and 15,319.17 is: 21,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.42 : 38,494.31 = 15,319.17 : x
  2. Step 2: Convert to fraction form
    27,894.42/38,494.31 = 15,319.17/x
  3. Step 3: Cross multiply
    27,894.42x = 38,494.31 × 15,319.17
  4. Step 4: Simplify right side
    27,894.42x = 589,700,802.33
  5. Step 5: Solve for x
    x = 589,700,802.33/27,894.42
  6. Step 6: Final answer
    x = 21,140.46

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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.