Home / 28,641.20-42,961.77-16,155.56

Finding the Fourth Proportional to 28,641.20, 42,961.77 and 16,155.56

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Solution

The fourth proportional to 28,641.20, 42,961.77 and 16,155.56 is: 24,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641.20 : 42,961.77 = 16,155.56 : x
  2. Step 2: Convert to fraction form
    28,641.20/42,961.77 = 16,155.56/x
  3. Step 3: Cross multiply
    28,641.20x = 42,961.77 × 16,155.56
  4. Step 4: Simplify right side
    28,641.20x = 694,071,238.13
  5. Step 5: Solve for x
    x = 694,071,238.13/28,641.20
  6. Step 6: Final answer
    x = 24,233.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.