Home / 52,731.07-72,768.87-28,857.76

Finding the Fourth Proportional to 52,731.07, 72,768.87 and 28,857.76

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Solution

The fourth proportional to 52,731.07, 72,768.87 and 28,857.76 is: 39,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,731.07 : 72,768.87 = 28,857.76 : x
  2. Step 2: Convert to fraction form
    52,731.07/72,768.87 = 28,857.76/x
  3. Step 3: Cross multiply
    52,731.07x = 72,768.87 × 28,857.76
  4. Step 4: Simplify right side
    52,731.07x = 2,099,946,585.93
  5. Step 5: Solve for x
    x = 2,099,946,585.93/52,731.07
  6. Step 6: Final answer
    x = 39,823.71

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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.