Home / 28,516.50-39,352.77-17,338.50

Finding the Fourth Proportional to 28,516.50, 39,352.77 and 17,338.50

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Solution

The fourth proportional to 28,516.50, 39,352.77 and 17,338.50 is: 23,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516.50 : 39,352.77 = 17,338.50 : x
  2. Step 2: Convert to fraction form
    28,516.50/39,352.77 = 17,338.50/x
  3. Step 3: Cross multiply
    28,516.50x = 39,352.77 × 17,338.50
  4. Step 4: Simplify right side
    28,516.50x = 682,318,002.65
  5. Step 5: Solve for x
    x = 682,318,002.65/28,516.50
  6. Step 6: Final answer
    x = 23,927.13

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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.