Home / 27,899.44-38,501.22-15,324.19

Finding the Fourth Proportional to 27,899.44, 38,501.22 and 15,324.19

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Solution

The fourth proportional to 27,899.44, 38,501.22 and 15,324.19 is: 21,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.44 : 38,501.22 = 15,324.19 : x
  2. Step 2: Convert to fraction form
    27,899.44/38,501.22 = 15,324.19/x
  3. Step 3: Cross multiply
    27,899.44x = 38,501.22 × 15,324.19
  4. Step 4: Simplify right side
    27,899.44x = 589,999,971.72
  5. Step 5: Solve for x
    x = 589,999,971.72/27,899.44
  6. Step 6: Final answer
    x = 21,147.38

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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.