Home / 28,213.86-38,933.66-16,276.50

Finding the Fourth Proportional to 28,213.86, 38,933.66 and 16,276.50

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Solution

The fourth proportional to 28,213.86, 38,933.66 and 16,276.50 is: 22,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213.86 : 38,933.66 = 16,276.50 : x
  2. Step 2: Convert to fraction form
    28,213.86/38,933.66 = 16,276.50/x
  3. Step 3: Cross multiply
    28,213.86x = 38,933.66 × 16,276.50
  4. Step 4: Simplify right side
    28,213.86x = 633,703,716.99
  5. Step 5: Solve for x
    x = 633,703,716.99/28,213.86
  6. Step 6: Final answer
    x = 22,460.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.