Home / 25,687.58-35,451.41-15,076.98

Finding the Fourth Proportional to 25,687.58, 35,451.41 and 15,076.98

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Solution

The fourth proportional to 25,687.58, 35,451.41 and 15,076.98 is: 20,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.58 : 35,451.41 = 15,076.98 : x
  2. Step 2: Convert to fraction form
    25,687.58/35,451.41 = 15,076.98/x
  3. Step 3: Cross multiply
    25,687.58x = 35,451.41 × 15,076.98
  4. Step 4: Simplify right side
    25,687.58x = 534,500,124.16
  5. Step 5: Solve for x
    x = 534,500,124.16/25,687.58
  6. Step 6: Final answer
    x = 20,807.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.