Home / 52,795.60-72,858.01-28,921.75

Finding the Fourth Proportional to 52,795.60, 72,858.01 and 28,921.75

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Solution

The fourth proportional to 52,795.60, 72,858.01 and 28,921.75 is: 39,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,795.60 : 72,858.01 = 28,921.75 : x
  2. Step 2: Convert to fraction form
    52,795.60/72,858.01 = 28,921.75/x
  3. Step 3: Cross multiply
    52,795.60x = 72,858.01 × 28,921.75
  4. Step 4: Simplify right side
    52,795.60x = 2,107,181,150.72
  5. Step 5: Solve for x
    x = 2,107,181,150.72/52,795.60
  6. Step 6: Final answer
    x = 39,912.06

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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.