Home / 28,995.08-40,016.53-16,251.71

Finding the Fourth Proportional to 28,995.08, 40,016.53 and 16,251.71

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Solution

The fourth proportional to 28,995.08, 40,016.53 and 16,251.71 is: 22,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.08 : 40,016.53 = 16,251.71 : x
  2. Step 2: Convert to fraction form
    28,995.08/40,016.53 = 16,251.71/x
  3. Step 3: Cross multiply
    28,995.08x = 40,016.53 × 16,251.71
  4. Step 4: Simplify right side
    28,995.08x = 650,336,861.00
  5. Step 5: Solve for x
    x = 650,336,861.00/28,995.08
  6. Step 6: Final answer
    x = 22,429.21

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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.