Home / 27,059.70-37,318.21-16,989.08

Finding the Fourth Proportional to 27,059.70, 37,318.21 and 16,989.08

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Solution

The fourth proportional to 27,059.70, 37,318.21 and 16,989.08 is: 23,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,059.70 : 37,318.21 = 16,989.08 : x
  2. Step 2: Convert to fraction form
    27,059.70/37,318.21 = 16,989.08/x
  3. Step 3: Cross multiply
    27,059.70x = 37,318.21 × 16,989.08
  4. Step 4: Simplify right side
    27,059.70x = 634,002,055.15
  5. Step 5: Solve for x
    x = 634,002,055.15/27,059.70
  6. Step 6: Final answer
    x = 23,429.75

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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.