Home / 25,726.58-35,491.41-15,111.43

Finding the Fourth Proportional to 25,726.58, 35,491.41 and 15,111.43

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Solution

The fourth proportional to 25,726.58, 35,491.41 and 15,111.43 is: 20,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,726.58 : 35,491.41 = 15,111.43 : x
  2. Step 2: Convert to fraction form
    25,726.58/35,491.41 = 15,111.43/x
  3. Step 3: Cross multiply
    25,726.58x = 35,491.41 × 15,111.43
  4. Step 4: Simplify right side
    25,726.58x = 536,325,869.09
  5. Step 5: Solve for x
    x = 536,325,869.09/25,726.58
  6. Step 6: Final answer
    x = 20,847.15

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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.