Home / 28,265.87-39,012.70-16,327.55

Finding the Fourth Proportional to 28,265.87, 39,012.70 and 16,327.55

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Solution

The fourth proportional to 28,265.87, 39,012.70 and 16,327.55 is: 22,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.87 : 39,012.70 = 16,327.55 : x
  2. Step 2: Convert to fraction form
    28,265.87/39,012.70 = 16,327.55/x
  3. Step 3: Cross multiply
    28,265.87x = 39,012.70 × 16,327.55
  4. Step 4: Simplify right side
    28,265.87x = 636,981,809.89
  5. Step 5: Solve for x
    x = 636,981,809.89/28,265.87
  6. Step 6: Final answer
    x = 22,535.37

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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.