Home / 28,038.67-38,696.46-17,281.38

Finding the Fourth Proportional to 28,038.67, 38,696.46 and 17,281.38

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Solution

The fourth proportional to 28,038.67, 38,696.46 and 17,281.38 is: 23,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038.67 : 38,696.46 = 17,281.38 : x
  2. Step 2: Convert to fraction form
    28,038.67/38,696.46 = 17,281.38/x
  3. Step 3: Cross multiply
    28,038.67x = 38,696.46 × 17,281.38
  4. Step 4: Simplify right side
    28,038.67x = 668,728,229.91
  5. Step 5: Solve for x
    x = 668,728,229.91/28,038.67
  6. Step 6: Final answer
    x = 23,850.21

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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.