Home / 26,758.85-39,975.52-17,321.99

Finding the Fourth Proportional to 26,758.85, 39,975.52 and 17,321.99

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Solution

The fourth proportional to 26,758.85, 39,975.52 and 17,321.99 is: 25,877.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.85 : 39,975.52 = 17,321.99 : x
  2. Step 2: Convert to fraction form
    26,758.85/39,975.52 = 17,321.99/x
  3. Step 3: Cross multiply
    26,758.85x = 39,975.52 × 17,321.99
  4. Step 4: Simplify right side
    26,758.85x = 692,455,401.11
  5. Step 5: Solve for x
    x = 692,455,401.11/26,758.85
  6. Step 6: Final answer
    x = 25,877.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.