Home / 28,727.19-43,079.00-10,964.32

Finding the Fourth Proportional to 28,727.19, 43,079.00 and 10,964.32

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Solution

The fourth proportional to 28,727.19, 43,079.00 and 10,964.32 is: 16,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.19 : 43,079.00 = 10,964.32 : x
  2. Step 2: Convert to fraction form
    28,727.19/43,079.00 = 10,964.32/x
  3. Step 3: Cross multiply
    28,727.19x = 43,079.00 × 10,964.32
  4. Step 4: Simplify right side
    28,727.19x = 472,331,778.76
  5. Step 5: Solve for x
    x = 472,331,778.76/28,727.19
  6. Step 6: Final answer
    x = 16,441.98

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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.