Home / 28,949.86-39,944.34-17,625.28

Finding the Fourth Proportional to 28,949.86, 39,944.34 and 17,625.28

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Solution

The fourth proportional to 28,949.86, 39,944.34 and 17,625.28 is: 24,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.86 : 39,944.34 = 17,625.28 : x
  2. Step 2: Convert to fraction form
    28,949.86/39,944.34 = 17,625.28/x
  3. Step 3: Cross multiply
    28,949.86x = 39,944.34 × 17,625.28
  4. Step 4: Simplify right side
    28,949.86x = 704,030,176.92
  5. Step 5: Solve for x
    x = 704,030,176.92/28,949.86
  6. Step 6: Final answer
    x = 24,318.95

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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.