Home / 27,971.29-38,600.38-15,396.04

Finding the Fourth Proportional to 27,971.29, 38,600.38 and 15,396.04

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Solution

The fourth proportional to 27,971.29, 38,600.38 and 15,396.04 is: 21,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.29 : 38,600.38 = 15,396.04 : x
  2. Step 2: Convert to fraction form
    27,971.29/38,600.38 = 15,396.04/x
  3. Step 3: Cross multiply
    27,971.29x = 38,600.38 × 15,396.04
  4. Step 4: Simplify right side
    27,971.29x = 594,292,994.50
  5. Step 5: Solve for x
    x = 594,292,994.50/27,971.29
  6. Step 6: Final answer
    x = 21,246.54

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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.