Home / 52,786.26-72,845.13-28,912.98

Finding the Fourth Proportional to 52,786.26, 72,845.13 and 28,912.98

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Solution

The fourth proportional to 52,786.26, 72,845.13 and 28,912.98 is: 39,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.26 : 72,845.13 = 28,912.98 : x
  2. Step 2: Convert to fraction form
    52,786.26/72,845.13 = 28,912.98/x
  3. Step 3: Cross multiply
    52,786.26x = 72,845.13 × 28,912.98
  4. Step 4: Simplify right side
    52,786.26x = 2,106,169,786.79
  5. Step 5: Solve for x
    x = 2,106,169,786.79/52,786.26
  6. Step 6: Final answer
    x = 39,899.96

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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.