Home / 26,378.72-39,568.08-10,790

Finding the Fourth Proportional to 26,378.72, 39,568.08 and 10,790

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Solution

The fourth proportional to 26,378.72, 39,568.08 and 10,790 is: 16,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.72 : 39,568.08 = 10,790 : x
  2. Step 2: Convert to fraction form
    26,378.72/39,568.08 = 10,790/x
  3. Step 3: Cross multiply
    26,378.72x = 39,568.08 × 10,790
  4. Step 4: Simplify right side
    26,378.72x = 426,939,583.20
  5. Step 5: Solve for x
    x = 426,939,583.20/26,378.72
  6. Step 6: Final answer
    x = 16,185.00

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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.