Home / 52,280.94-72,147.56-28,407.70

Finding the Fourth Proportional to 52,280.94, 72,147.56 and 28,407.70

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Solution

The fourth proportional to 52,280.94, 72,147.56 and 28,407.70 is: 39,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,280.94 : 72,147.56 = 28,407.70 : x
  2. Step 2: Convert to fraction form
    52,280.94/72,147.56 = 28,407.70/x
  3. Step 3: Cross multiply
    52,280.94x = 72,147.56 × 28,407.70
  4. Step 4: Simplify right side
    52,280.94x = 2,049,545,917.80
  5. Step 5: Solve for x
    x = 2,049,545,917.80/52,280.94
  6. Step 6: Final answer
    x = 39,202.55

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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.