Home / 25,162.53-37,690.06-19,172.85

Finding the Fourth Proportional to 25,162.53, 37,690.06 and 19,172.85

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Solution

The fourth proportional to 25,162.53, 37,690.06 and 19,172.85 is: 28,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.53 : 37,690.06 = 19,172.85 : x
  2. Step 2: Convert to fraction form
    25,162.53/37,690.06 = 19,172.85/x
  3. Step 3: Cross multiply
    25,162.53x = 37,690.06 × 19,172.85
  4. Step 4: Simplify right side
    25,162.53x = 722,625,866.87
  5. Step 5: Solve for x
    x = 722,625,866.87/25,162.53
  6. Step 6: Final answer
    x = 28,718.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.