Home / 27,480.26-37,920.96-15,541.34

Finding the Fourth Proportional to 27,480.26, 37,920.96 and 15,541.34

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Solution

The fourth proportional to 27,480.26, 37,920.96 and 15,541.34 is: 21,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.26 : 37,920.96 = 15,541.34 : x
  2. Step 2: Convert to fraction form
    27,480.26/37,920.96 = 15,541.34/x
  3. Step 3: Cross multiply
    27,480.26x = 37,920.96 × 15,541.34
  4. Step 4: Simplify right side
    27,480.26x = 589,342,342.88
  5. Step 5: Solve for x
    x = 589,342,342.88/27,480.26
  6. Step 6: Final answer
    x = 21,446.02

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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.