Home / 52,764.09-72,814.19-28,890.33

Finding the Fourth Proportional to 52,764.09, 72,814.19 and 28,890.33

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Solution

The fourth proportional to 52,764.09, 72,814.19 and 28,890.33 is: 39,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,764.09 : 72,814.19 = 28,890.33 : x
  2. Step 2: Convert to fraction form
    52,764.09/72,814.19 = 28,890.33/x
  3. Step 3: Cross multiply
    52,764.09x = 72,814.19 × 28,890.33
  4. Step 4: Simplify right side
    52,764.09x = 2,103,625,833.33
  5. Step 5: Solve for x
    x = 2,103,625,833.33/52,764.09
  6. Step 6: Final answer
    x = 39,868.51

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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.