Home / 52,771.75-72,825.81-28,900.64

Finding the Fourth Proportional to 52,771.75, 72,825.81 and 28,900.64

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Solution

The fourth proportional to 52,771.75, 72,825.81 and 28,900.64 is: 39,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,771.75 : 72,825.81 = 28,900.64 : x
  2. Step 2: Convert to fraction form
    52,771.75/72,825.81 = 28,900.64/x
  3. Step 3: Cross multiply
    52,771.75x = 72,825.81 × 28,900.64
  4. Step 4: Simplify right side
    52,771.75x = 2,104,712,517.52
  5. Step 5: Solve for x
    x = 2,104,712,517.52/52,771.75
  6. Step 6: Final answer
    x = 39,883.32

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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.