Home / 25,989.56-38,977.84-10,197.80

Finding the Fourth Proportional to 25,989.56, 38,977.84 and 10,197.80

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Solution

The fourth proportional to 25,989.56, 38,977.84 and 10,197.80 is: 15,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989.56 : 38,977.84 = 10,197.80 : x
  2. Step 2: Convert to fraction form
    25,989.56/38,977.84 = 10,197.80/x
  3. Step 3: Cross multiply
    25,989.56x = 38,977.84 × 10,197.80
  4. Step 4: Simplify right side
    25,989.56x = 397,488,216.75
  5. Step 5: Solve for x
    x = 397,488,216.75/25,989.56
  6. Step 6: Final answer
    x = 15,294.15

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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.