Home / 27,019.23-40,530.78-10,379.25

Finding the Fourth Proportional to 27,019.23, 40,530.78 and 10,379.25

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Solution

The fourth proportional to 27,019.23, 40,530.78 and 10,379.25 is: 15,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.23 : 40,530.78 = 10,379.25 : x
  2. Step 2: Convert to fraction form
    27,019.23/40,530.78 = 10,379.25/x
  3. Step 3: Cross multiply
    27,019.23x = 40,530.78 × 10,379.25
  4. Step 4: Simplify right side
    27,019.23x = 420,679,098.32
  5. Step 5: Solve for x
    x = 420,679,098.32/27,019.23
  6. Step 6: Final answer
    x = 15,569.62

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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.