Home / 27,116.64-37,421.28-15,181.02

Finding the Fourth Proportional to 27,116.64, 37,421.28 and 15,181.02

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Solution

The fourth proportional to 27,116.64, 37,421.28 and 15,181.02 is: 20,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.64 : 37,421.28 = 15,181.02 : x
  2. Step 2: Convert to fraction form
    27,116.64/37,421.28 = 15,181.02/x
  3. Step 3: Cross multiply
    27,116.64x = 37,421.28 × 15,181.02
  4. Step 4: Simplify right side
    27,116.64x = 568,093,200.11
  5. Step 5: Solve for x
    x = 568,093,200.11/27,116.64
  6. Step 6: Final answer
    x = 20,949.98

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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.