Home / 27,116.89-37,421.02-15,180.32

Finding the Fourth Proportional to 27,116.89, 37,421.02 and 15,180.32

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Solution

The fourth proportional to 27,116.89, 37,421.02 and 15,180.32 is: 20,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.89 : 37,421.02 = 15,180.32 : x
  2. Step 2: Convert to fraction form
    27,116.89/37,421.02 = 15,180.32/x
  3. Step 3: Cross multiply
    27,116.89x = 37,421.02 × 15,180.32
  4. Step 4: Simplify right side
    27,116.89x = 568,063,113.93
  5. Step 5: Solve for x
    x = 568,063,113.93/27,116.89
  6. Step 6: Final answer
    x = 20,948.68

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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.