Home / 26,489.43-39,701.34-12,441.60

Finding the Fourth Proportional to 26,489.43, 39,701.34 and 12,441.60

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Solution

The fourth proportional to 26,489.43, 39,701.34 and 12,441.60 is: 18,646.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.43 : 39,701.34 = 12,441.60 : x
  2. Step 2: Convert to fraction form
    26,489.43/39,701.34 = 12,441.60/x
  3. Step 3: Cross multiply
    26,489.43x = 39,701.34 × 12,441.60
  4. Step 4: Simplify right side
    26,489.43x = 493,948,191.74
  5. Step 5: Solve for x
    x = 493,948,191.74/26,489.43
  6. Step 6: Final answer
    x = 18,646.99

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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.