Home / 27,166.62-40,750.02-7,445.40

Finding the Fourth Proportional to 27,166.62, 40,750.02 and 7,445.40

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Solution

The fourth proportional to 27,166.62, 40,750.02 and 7,445.40 is: 11,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166.62 : 40,750.02 = 7,445.40 : x
  2. Step 2: Convert to fraction form
    27,166.62/40,750.02 = 7,445.40/x
  3. Step 3: Cross multiply
    27,166.62x = 40,750.02 × 7,445.40
  4. Step 4: Simplify right side
    27,166.62x = 303,400,198.91
  5. Step 5: Solve for x
    x = 303,400,198.91/27,166.62
  6. Step 6: Final answer
    x = 11,168.12

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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.