Home / 27,794.86-38,361.33-15,862.06

Finding the Fourth Proportional to 27,794.86, 38,361.33 and 15,862.06

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Solution

The fourth proportional to 27,794.86, 38,361.33 and 15,862.06 is: 21,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794.86 : 38,361.33 = 15,862.06 : x
  2. Step 2: Convert to fraction form
    27,794.86/38,361.33 = 15,862.06/x
  3. Step 3: Cross multiply
    27,794.86x = 38,361.33 × 15,862.06
  4. Step 4: Simplify right side
    27,794.86x = 608,489,718.14
  5. Step 5: Solve for x
    x = 608,489,718.14/27,794.86
  6. Step 6: Final answer
    x = 21,892.17

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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.