Home / 25,315.36-37,982.84-10,520.48

Finding the Fourth Proportional to 25,315.36, 37,982.84 and 10,520.48

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Solution

The fourth proportional to 25,315.36, 37,982.84 and 10,520.48 is: 15,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.36 : 37,982.84 = 10,520.48 : x
  2. Step 2: Convert to fraction form
    25,315.36/37,982.84 = 10,520.48/x
  3. Step 3: Cross multiply
    25,315.36x = 37,982.84 × 10,520.48
  4. Step 4: Simplify right side
    25,315.36x = 399,597,708.56
  5. Step 5: Solve for x
    x = 399,597,708.56/25,315.36
  6. Step 6: Final answer
    x = 15,784.79

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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.