Home / 25,349.85-37,970.10-20,975.85

Finding the Fourth Proportional to 25,349.85, 37,970.10 and 20,975.85

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Solution

The fourth proportional to 25,349.85, 37,970.10 and 20,975.85 is: 31,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.85 : 37,970.10 = 20,975.85 : x
  2. Step 2: Convert to fraction form
    25,349.85/37,970.10 = 20,975.85/x
  3. Step 3: Cross multiply
    25,349.85x = 37,970.10 × 20,975.85
  4. Step 4: Simplify right side
    25,349.85x = 796,455,122.09
  5. Step 5: Solve for x
    x = 796,455,122.09/25,349.85
  6. Step 6: Final answer
    x = 31,418.53

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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.