Home / 28,724.88-39,639.50-17,401.08

Finding the Fourth Proportional to 28,724.88, 39,639.50 and 17,401.08

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Solution

The fourth proportional to 28,724.88, 39,639.50 and 17,401.08 is: 24,012.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.88 : 39,639.50 = 17,401.08 : x
  2. Step 2: Convert to fraction form
    28,724.88/39,639.50 = 17,401.08/x
  3. Step 3: Cross multiply
    28,724.88x = 39,639.50 × 17,401.08
  4. Step 4: Simplify right side
    28,724.88x = 689,770,023.65
  5. Step 5: Solve for x
    x = 689,770,023.65/28,724.88
  6. Step 6: Final answer
    x = 24,012.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.