Home / 27,468.96-37,792.08-21,170.40

Finding the Fourth Proportional to 27,468.96, 37,792.08 and 21,170.40

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Solution

The fourth proportional to 27,468.96, 37,792.08 and 21,170.40 is: 29,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,468.96 : 37,792.08 = 21,170.40 : x
  2. Step 2: Convert to fraction form
    27,468.96/37,792.08 = 21,170.40/x
  3. Step 3: Cross multiply
    27,468.96x = 37,792.08 × 21,170.40
  4. Step 4: Simplify right side
    27,468.96x = 800,073,450.43
  5. Step 5: Solve for x
    x = 800,073,450.43/27,468.96
  6. Step 6: Final answer
    x = 29,126.46

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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.