Home / 27,719.18-38,252.46-15,143.93

Finding the Fourth Proportional to 27,719.18, 38,252.46 and 15,143.93

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Solution

The fourth proportional to 27,719.18, 38,252.46 and 15,143.93 is: 20,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,719.18 : 38,252.46 = 15,143.93 : x
  2. Step 2: Convert to fraction form
    27,719.18/38,252.46 = 15,143.93/x
  3. Step 3: Cross multiply
    27,719.18x = 38,252.46 × 15,143.93
  4. Step 4: Simplify right side
    27,719.18x = 579,292,585.54
  5. Step 5: Solve for x
    x = 579,292,585.54/27,719.18
  6. Step 6: Final answer
    x = 20,898.62

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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.