Home / 28,834.65-42,965.34-25,690.50

Finding the Fourth Proportional to 28,834.65, 42,965.34 and 25,690.50

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Solution

The fourth proportional to 28,834.65, 42,965.34 and 25,690.50 is: 38,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.65 : 42,965.34 = 25,690.50 : x
  2. Step 2: Convert to fraction form
    28,834.65/42,965.34 = 25,690.50/x
  3. Step 3: Cross multiply
    28,834.65x = 42,965.34 × 25,690.50
  4. Step 4: Simplify right side
    28,834.65x = 1,103,801,067.27
  5. Step 5: Solve for x
    x = 1,103,801,067.27/28,834.65
  6. Step 6: Final answer
    x = 38,280.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.