Home / 28,097.22-42,145.68-11,457.18

Finding the Fourth Proportional to 28,097.22, 42,145.68 and 11,457.18

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Solution

The fourth proportional to 28,097.22, 42,145.68 and 11,457.18 is: 17,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.22 : 42,145.68 = 11,457.18 : x
  2. Step 2: Convert to fraction form
    28,097.22/42,145.68 = 11,457.18/x
  3. Step 3: Cross multiply
    28,097.22x = 42,145.68 × 11,457.18
  4. Step 4: Simplify right side
    28,097.22x = 482,870,641.98
  5. Step 5: Solve for x
    x = 482,870,641.98/28,097.22
  6. Step 6: Final answer
    x = 17,185.71

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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.