Home / 27,117.48-37,420.38-15,180.60

Finding the Fourth Proportional to 27,117.48, 37,420.38 and 15,180.60

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Solution

The fourth proportional to 27,117.48, 37,420.38 and 15,180.60 is: 20,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.48 : 37,420.38 = 15,180.60 : x
  2. Step 2: Convert to fraction form
    27,117.48/37,420.38 = 15,180.60/x
  3. Step 3: Cross multiply
    27,117.48x = 37,420.38 × 15,180.60
  4. Step 4: Simplify right side
    27,117.48x = 568,063,820.63
  5. Step 5: Solve for x
    x = 568,063,820.63/27,117.48
  6. Step 6: Final answer
    x = 20,948.25

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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.