Home / 38,243.10-52,760.73-28,195.42

Finding the Fourth Proportional to 38,243.10, 52,760.73 and 28,195.42

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Solution

The fourth proportional to 38,243.10, 52,760.73 and 28,195.42 is: 38,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243.10 : 52,760.73 = 28,195.42 : x
  2. Step 2: Convert to fraction form
    38,243.10/52,760.73 = 28,195.42/x
  3. Step 3: Cross multiply
    38,243.10x = 52,760.73 × 28,195.42
  4. Step 4: Simplify right side
    38,243.10x = 1,487,610,941.86
  5. Step 5: Solve for x
    x = 1,487,610,941.86/38,243.10
  6. Step 6: Final answer
    x = 38,898.81

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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.