Home / 52,843.73-72,928.94-28,975.05

Finding the Fourth Proportional to 52,843.73, 72,928.94 and 28,975.05

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Solution

The fourth proportional to 52,843.73, 72,928.94 and 28,975.05 is: 39,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,843.73 : 72,928.94 = 28,975.05 : x
  2. Step 2: Convert to fraction form
    52,843.73/72,928.94 = 28,975.05/x
  3. Step 3: Cross multiply
    52,843.73x = 72,928.94 × 28,975.05
  4. Step 4: Simplify right side
    52,843.73x = 2,113,119,538.07
  5. Step 5: Solve for x
    x = 2,113,119,538.07/52,843.73
  6. Step 6: Final answer
    x = 39,988.09

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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.