Home / 28,875.34-39,847.67-16,936.42

Finding the Fourth Proportional to 28,875.34, 39,847.67 and 16,936.42

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Solution

The fourth proportional to 28,875.34, 39,847.67 and 16,936.42 is: 23,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.34 : 39,847.67 = 16,936.42 : x
  2. Step 2: Convert to fraction form
    28,875.34/39,847.67 = 16,936.42/x
  3. Step 3: Cross multiply
    28,875.34x = 39,847.67 × 16,936.42
  4. Step 4: Simplify right side
    28,875.34x = 674,876,591.22
  5. Step 5: Solve for x
    x = 674,876,591.22/28,875.34
  6. Step 6: Final answer
    x = 23,372.07

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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.