Home / 27,489.21-37,934.64-16,730.18

Finding the Fourth Proportional to 27,489.21, 37,934.64 and 16,730.18

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Solution

The fourth proportional to 27,489.21, 37,934.64 and 16,730.18 is: 23,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.21 : 37,934.64 = 16,730.18 : x
  2. Step 2: Convert to fraction form
    27,489.21/37,934.64 = 16,730.18/x
  3. Step 3: Cross multiply
    27,489.21x = 37,934.64 × 16,730.18
  4. Step 4: Simplify right side
    27,489.21x = 634,653,271.78
  5. Step 5: Solve for x
    x = 634,653,271.78/27,489.21
  6. Step 6: Final answer
    x = 23,087.36

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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.