Home / 25,793.35-38,515.37-20,468.59

Finding the Fourth Proportional to 25,793.35, 38,515.37 and 20,468.59

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Solution

The fourth proportional to 25,793.35, 38,515.37 and 20,468.59 is: 30,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,793.35 : 38,515.37 = 20,468.59 : x
  2. Step 2: Convert to fraction form
    25,793.35/38,515.37 = 20,468.59/x
  3. Step 3: Cross multiply
    25,793.35x = 38,515.37 × 20,468.59
  4. Step 4: Simplify right side
    25,793.35x = 788,355,118.60
  5. Step 5: Solve for x
    x = 788,355,118.60/25,793.35
  6. Step 6: Final answer
    x = 30,564.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.