Home / 52,786.89-72,846.54-28,914.57

Finding the Fourth Proportional to 52,786.89, 72,846.54 and 28,914.57

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Solution

The fourth proportional to 52,786.89, 72,846.54 and 28,914.57 is: 39,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.89 : 72,846.54 = 28,914.57 : x
  2. Step 2: Convert to fraction form
    52,786.89/72,846.54 = 28,914.57/x
  3. Step 3: Cross multiply
    52,786.89x = 72,846.54 × 28,914.57
  4. Step 4: Simplify right side
    52,786.89x = 2,106,326,380.09
  5. Step 5: Solve for x
    x = 2,106,326,380.09/52,786.89
  6. Step 6: Final answer
    x = 39,902.45

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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.