Home / 52,712.94-72,743.77-28,839.56

Finding the Fourth Proportional to 52,712.94, 72,743.77 and 28,839.56

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Solution

The fourth proportional to 52,712.94, 72,743.77 and 28,839.56 is: 39,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,712.94 : 72,743.77 = 28,839.56 : x
  2. Step 2: Convert to fraction form
    52,712.94/72,743.77 = 28,839.56/x
  3. Step 3: Cross multiply
    52,712.94x = 72,743.77 × 28,839.56
  4. Step 4: Simplify right side
    52,712.94x = 2,097,898,401.06
  5. Step 5: Solve for x
    x = 2,097,898,401.06/52,712.94
  6. Step 6: Final answer
    x = 39,798.54

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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.