Home / 19,838.46-27,378.06-10,885.88

Finding the Fourth Proportional to 19,838.46, 27,378.06 and 10,885.88

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Solution

The fourth proportional to 19,838.46, 27,378.06 and 10,885.88 is: 15,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.46 : 27,378.06 = 10,885.88 : x
  2. Step 2: Convert to fraction form
    19,838.46/27,378.06 = 10,885.88/x
  3. Step 3: Cross multiply
    19,838.46x = 27,378.06 × 10,885.88
  4. Step 4: Simplify right side
    19,838.46x = 298,034,275.79
  5. Step 5: Solve for x
    x = 298,034,275.79/19,838.46
  6. Step 6: Final answer
    x = 15,023.06

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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.