Home / 25,843.96-38,673.58-20,258.90

Finding the Fourth Proportional to 25,843.96, 38,673.58 and 20,258.90

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Solution

The fourth proportional to 25,843.96, 38,673.58 and 20,258.90 is: 30,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,843.96 : 38,673.58 = 20,258.90 : x
  2. Step 2: Convert to fraction form
    25,843.96/38,673.58 = 20,258.90/x
  3. Step 3: Cross multiply
    25,843.96x = 38,673.58 × 20,258.90
  4. Step 4: Simplify right side
    25,843.96x = 783,484,189.86
  5. Step 5: Solve for x
    x = 783,484,189.86/25,843.96
  6. Step 6: Final answer
    x = 30,315.95

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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.