Home / 26,683.14-39,988.92-20,767.16

Finding the Fourth Proportional to 26,683.14, 39,988.92 and 20,767.16

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Solution

The fourth proportional to 26,683.14, 39,988.92 and 20,767.16 is: 31,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,683.14 : 39,988.92 = 20,767.16 : x
  2. Step 2: Convert to fraction form
    26,683.14/39,988.92 = 20,767.16/x
  3. Step 3: Cross multiply
    26,683.14x = 39,988.92 × 20,767.16
  4. Step 4: Simplify right side
    26,683.14x = 830,456,299.87
  5. Step 5: Solve for x
    x = 830,456,299.87/26,683.14
  6. Step 6: Final answer
    x = 31,122.89

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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.