Home / 26,286.80-39,430.20-16,445.30

Finding the Fourth Proportional to 26,286.80, 39,430.20 and 16,445.30

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Solution

The fourth proportional to 26,286.80, 39,430.20 and 16,445.30 is: 24,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.80 : 39,430.20 = 16,445.30 : x
  2. Step 2: Convert to fraction form
    26,286.80/39,430.20 = 16,445.30/x
  3. Step 3: Cross multiply
    26,286.80x = 39,430.20 × 16,445.30
  4. Step 4: Simplify right side
    26,286.80x = 648,441,468.06
  5. Step 5: Solve for x
    x = 648,441,468.06/26,286.80
  6. Step 6: Final answer
    x = 24,667.95

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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.