Home / 52,815.38-72,885.29-28,942.92

Finding the Fourth Proportional to 52,815.38, 72,885.29 and 28,942.92

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Solution

The fourth proportional to 52,815.38, 72,885.29 and 28,942.92 is: 39,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,815.38 : 72,885.29 = 28,942.92 : x
  2. Step 2: Convert to fraction form
    52,815.38/72,885.29 = 28,942.92/x
  3. Step 3: Cross multiply
    52,815.38x = 72,885.29 × 28,942.92
  4. Step 4: Simplify right side
    52,815.38x = 2,109,512,972.93
  5. Step 5: Solve for x
    x = 2,109,512,972.93/52,815.38
  6. Step 6: Final answer
    x = 39,941.27

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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.