Home / 25,270.80-37,919.90-10,489.85

Finding the Fourth Proportional to 25,270.80, 37,919.90 and 10,489.85

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Solution

The fourth proportional to 25,270.80, 37,919.90 and 10,489.85 is: 15,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.80 : 37,919.90 = 10,489.85 : x
  2. Step 2: Convert to fraction form
    25,270.80/37,919.90 = 10,489.85/x
  3. Step 3: Cross multiply
    25,270.80x = 37,919.90 × 10,489.85
  4. Step 4: Simplify right side
    25,270.80x = 397,774,063.02
  5. Step 5: Solve for x
    x = 397,774,063.02/25,270.80
  6. Step 6: Final answer
    x = 15,740.46

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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.