Home / 28,944.79-39,945.96-16,199.25

Finding the Fourth Proportional to 28,944.79, 39,945.96 and 16,199.25

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Solution

The fourth proportional to 28,944.79, 39,945.96 and 16,199.25 is: 22,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,944.79 : 39,945.96 = 16,199.25 : x
  2. Step 2: Convert to fraction form
    28,944.79/39,945.96 = 16,199.25/x
  3. Step 3: Cross multiply
    28,944.79x = 39,945.96 × 16,199.25
  4. Step 4: Simplify right side
    28,944.79x = 647,094,667.43
  5. Step 5: Solve for x
    x = 647,094,667.43/28,944.79
  6. Step 6: Final answer
    x = 22,356.17

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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.