Home / 26,945.69-40,423.43-11,142.14

Finding the Fourth Proportional to 26,945.69, 40,423.43 and 11,142.14

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Solution

The fourth proportional to 26,945.69, 40,423.43 and 11,142.14 is: 16,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.69 : 40,423.43 = 11,142.14 : x
  2. Step 2: Convert to fraction form
    26,945.69/40,423.43 = 11,142.14/x
  3. Step 3: Cross multiply
    26,945.69x = 40,423.43 × 11,142.14
  4. Step 4: Simplify right side
    26,945.69x = 450,403,516.34
  5. Step 5: Solve for x
    x = 450,403,516.34/26,945.69
  6. Step 6: Final answer
    x = 16,715.23

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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.