Home / 40,276.20-60,428.70-16,909.80

Finding the Fourth Proportional to 40,276.20, 60,428.70 and 16,909.80

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Solution

The fourth proportional to 40,276.20, 60,428.70 and 16,909.80 is: 25,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.20 : 60,428.70 = 16,909.80 : x
  2. Step 2: Convert to fraction form
    40,276.20/60,428.70 = 16,909.80/x
  3. Step 3: Cross multiply
    40,276.20x = 60,428.70 × 16,909.80
  4. Step 4: Simplify right side
    40,276.20x = 1,021,837,231.26
  5. Step 5: Solve for x
    x = 1,021,837,231.26/40,276.20
  6. Step 6: Final answer
    x = 25,370.75

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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.