Home / 28,722.24-43,071.66-9,998.30

Finding the Fourth Proportional to 28,722.24, 43,071.66 and 9,998.30

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Solution

The fourth proportional to 28,722.24, 43,071.66 and 9,998.30 is: 14,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.24 : 43,071.66 = 9,998.30 : x
  2. Step 2: Convert to fraction form
    28,722.24/43,071.66 = 9,998.30/x
  3. Step 3: Cross multiply
    28,722.24x = 43,071.66 × 9,998.30
  4. Step 4: Simplify right side
    28,722.24x = 430,643,162.82
  5. Step 5: Solve for x
    x = 430,643,162.82/28,722.24
  6. Step 6: Final answer
    x = 14,993.37

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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.