Home / 38,143.14-57,237.12-15,954.72

Finding the Fourth Proportional to 38,143.14, 57,237.12 and 15,954.72

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Solution

The fourth proportional to 38,143.14, 57,237.12 and 15,954.72 is: 23,941.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.14 : 57,237.12 = 15,954.72 : x
  2. Step 2: Convert to fraction form
    38,143.14/57,237.12 = 15,954.72/x
  3. Step 3: Cross multiply
    38,143.14x = 57,237.12 × 15,954.72
  4. Step 4: Simplify right side
    38,143.14x = 913,202,223.21
  5. Step 5: Solve for x
    x = 913,202,223.21/38,143.14
  6. Step 6: Final answer
    x = 23,941.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.