Home / 25,928.40-38,921.40-16,078.80

Finding the Fourth Proportional to 25,928.40, 38,921.40 and 16,078.80

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Solution

The fourth proportional to 25,928.40, 38,921.40 and 16,078.80 is: 24,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,928.40 : 38,921.40 = 16,078.80 : x
  2. Step 2: Convert to fraction form
    25,928.40/38,921.40 = 16,078.80/x
  3. Step 3: Cross multiply
    25,928.40x = 38,921.40 × 16,078.80
  4. Step 4: Simplify right side
    25,928.40x = 625,809,406.32
  5. Step 5: Solve for x
    x = 625,809,406.32/25,928.40
  6. Step 6: Final answer
    x = 24,136.06

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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.