Home / 28,770.34-39,697.77-16,192.42

Finding the Fourth Proportional to 28,770.34, 39,697.77 and 16,192.42

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Solution

The fourth proportional to 28,770.34, 39,697.77 and 16,192.42 is: 22,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.34 : 39,697.77 = 16,192.42 : x
  2. Step 2: Convert to fraction form
    28,770.34/39,697.77 = 16,192.42/x
  3. Step 3: Cross multiply
    28,770.34x = 39,697.77 × 16,192.42
  4. Step 4: Simplify right side
    28,770.34x = 642,802,964.90
  5. Step 5: Solve for x
    x = 642,802,964.90/28,770.34
  6. Step 6: Final answer
    x = 22,342.56

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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.