Home / 28,884.78-39,861.66-16,309.50

Finding the Fourth Proportional to 28,884.78, 39,861.66 and 16,309.50

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Solution

The fourth proportional to 28,884.78, 39,861.66 and 16,309.50 is: 22,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.78 : 39,861.66 = 16,309.50 : x
  2. Step 2: Convert to fraction form
    28,884.78/39,861.66 = 16,309.50/x
  3. Step 3: Cross multiply
    28,884.78x = 39,861.66 × 16,309.50
  4. Step 4: Simplify right side
    28,884.78x = 650,123,743.77
  5. Step 5: Solve for x
    x = 650,123,743.77/28,884.78
  6. Step 6: Final answer
    x = 22,507.48

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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.