Home / 28,834.32-39,766.51-18,759.09

Finding the Fourth Proportional to 28,834.32, 39,766.51 and 18,759.09

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Solution

The fourth proportional to 28,834.32, 39,766.51 and 18,759.09 is: 25,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.32 : 39,766.51 = 18,759.09 : x
  2. Step 2: Convert to fraction form
    28,834.32/39,766.51 = 18,759.09/x
  3. Step 3: Cross multiply
    28,834.32x = 39,766.51 × 18,759.09
  4. Step 4: Simplify right side
    28,834.32x = 745,983,294.35
  5. Step 5: Solve for x
    x = 745,983,294.35/28,834.32
  6. Step 6: Final answer
    x = 25,871.37

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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.