Home / 28,875.12-43,329.96-16,571.76

Finding the Fourth Proportional to 28,875.12, 43,329.96 and 16,571.76

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Solution

The fourth proportional to 28,875.12, 43,329.96 and 16,571.76 is: 24,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.12 : 43,329.96 = 16,571.76 : x
  2. Step 2: Convert to fraction form
    28,875.12/43,329.96 = 16,571.76/x
  3. Step 3: Cross multiply
    28,875.12x = 43,329.96 × 16,571.76
  4. Step 4: Simplify right side
    28,875.12x = 718,053,697.93
  5. Step 5: Solve for x
    x = 718,053,697.93/28,875.12
  6. Step 6: Final answer
    x = 24,867.56

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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.