Home / 28,506.61-42,716.16-17,396.65

Finding the Fourth Proportional to 28,506.61, 42,716.16 and 17,396.65

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Solution

The fourth proportional to 28,506.61, 42,716.16 and 17,396.65 is: 26,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.61 : 42,716.16 = 17,396.65 : x
  2. Step 2: Convert to fraction form
    28,506.61/42,716.16 = 17,396.65/x
  3. Step 3: Cross multiply
    28,506.61x = 42,716.16 × 17,396.65
  4. Step 4: Simplify right side
    28,506.61x = 743,118,084.86
  5. Step 5: Solve for x
    x = 743,118,084.86/28,506.61
  6. Step 6: Final answer
    x = 26,068.27

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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.