Home / 25,308.55-37,938.48-16,990.86

Finding the Fourth Proportional to 25,308.55, 37,938.48 and 16,990.86

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Solution

The fourth proportional to 25,308.55, 37,938.48 and 16,990.86 is: 25,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,308.55 : 37,938.48 = 16,990.86 : x
  2. Step 2: Convert to fraction form
    25,308.55/37,938.48 = 16,990.86/x
  3. Step 3: Cross multiply
    25,308.55x = 37,938.48 × 16,990.86
  4. Step 4: Simplify right side
    25,308.55x = 644,607,480.85
  5. Step 5: Solve for x
    x = 644,607,480.85/25,308.55
  6. Step 6: Final answer
    x = 25,469.95

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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.