Home / 27,245.68-37,598.20-15,308.72

Finding the Fourth Proportional to 27,245.68, 37,598.20 and 15,308.72

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Solution

The fourth proportional to 27,245.68, 37,598.20 and 15,308.72 is: 21,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,245.68 : 37,598.20 = 15,308.72 : x
  2. Step 2: Convert to fraction form
    27,245.68/37,598.20 = 15,308.72/x
  3. Step 3: Cross multiply
    27,245.68x = 37,598.20 × 15,308.72
  4. Step 4: Simplify right side
    27,245.68x = 575,580,316.30
  5. Step 5: Solve for x
    x = 575,580,316.30/27,245.68
  6. Step 6: Final answer
    x = 21,125.56

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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.