Home / 27,492.72-37,943.64-16,315.44

Finding the Fourth Proportional to 27,492.72, 37,943.64 and 16,315.44

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Solution

The fourth proportional to 27,492.72, 37,943.64 and 16,315.44 is: 22,517.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,492.72 : 37,943.64 = 16,315.44 : x
  2. Step 2: Convert to fraction form
    27,492.72/37,943.64 = 16,315.44/x
  3. Step 3: Cross multiply
    27,492.72x = 37,943.64 × 16,315.44
  4. Step 4: Simplify right side
    27,492.72x = 619,067,181.80
  5. Step 5: Solve for x
    x = 619,067,181.80/27,492.72
  6. Step 6: Final answer
    x = 22,517.49

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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.