Home / 29,147.90-40,126.82-27,808.86

Finding the Fourth Proportional to 29,147.90, 40,126.82 and 27,808.86

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Solution

The fourth proportional to 29,147.90, 40,126.82 and 27,808.86 is: 38,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.90 : 40,126.82 = 27,808.86 : x
  2. Step 2: Convert to fraction form
    29,147.90/40,126.82 = 27,808.86/x
  3. Step 3: Cross multiply
    29,147.90x = 40,126.82 × 27,808.86
  4. Step 4: Simplify right side
    29,147.90x = 1,115,880,980.58
  5. Step 5: Solve for x
    x = 1,115,880,980.58/29,147.90
  6. Step 6: Final answer
    x = 38,283.42

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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.