Home / 27,275.56-37,638.66-15,175.72

Finding the Fourth Proportional to 27,275.56, 37,638.66 and 15,175.72

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Solution

The fourth proportional to 27,275.56, 37,638.66 and 15,175.72 is: 20,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.56 : 37,638.66 = 15,175.72 : x
  2. Step 2: Convert to fraction form
    27,275.56/37,638.66 = 15,175.72/x
  3. Step 3: Cross multiply
    27,275.56x = 37,638.66 × 15,175.72
  4. Step 4: Simplify right side
    27,275.56x = 571,193,765.34
  5. Step 5: Solve for x
    x = 571,193,765.34/27,275.56
  6. Step 6: Final answer
    x = 20,941.60

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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.