Home / 52,653.25-72,661.52-28,779.92

Finding the Fourth Proportional to 52,653.25, 72,661.52 and 28,779.92

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Solution

The fourth proportional to 52,653.25, 72,661.52 and 28,779.92 is: 39,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.25 : 72,661.52 = 28,779.92 : x
  2. Step 2: Convert to fraction form
    52,653.25/72,661.52 = 28,779.92/x
  3. Step 3: Cross multiply
    52,653.25x = 72,661.52 × 28,779.92
  4. Step 4: Simplify right side
    52,653.25x = 2,091,193,122.52
  5. Step 5: Solve for x
    x = 2,091,193,122.52/52,653.25
  6. Step 6: Final answer
    x = 39,716.32

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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.