Home / 28,093.34-42,140.28-11,450

Finding the Fourth Proportional to 28,093.34, 42,140.28 and 11,450

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Solution

The fourth proportional to 28,093.34, 42,140.28 and 11,450 is: 17,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.34 : 42,140.28 = 11,450 : x
  2. Step 2: Convert to fraction form
    28,093.34/42,140.28 = 11,450/x
  3. Step 3: Cross multiply
    28,093.34x = 42,140.28 × 11,450
  4. Step 4: Simplify right side
    28,093.34x = 482,506,206
  5. Step 5: Solve for x
    x = 482,506,206/28,093.34
  6. Step 6: Final answer
    x = 17,175.11

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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.