Home / 27,125.10-37,428.32-15,188.94

Finding the Fourth Proportional to 27,125.10, 37,428.32 and 15,188.94

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Solution

The fourth proportional to 27,125.10, 37,428.32 and 15,188.94 is: 20,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.10 : 37,428.32 = 15,188.94 : x
  2. Step 2: Convert to fraction form
    27,125.10/37,428.32 = 15,188.94/x
  3. Step 3: Cross multiply
    27,125.10x = 37,428.32 × 15,188.94
  4. Step 4: Simplify right side
    27,125.10x = 568,496,506.78
  5. Step 5: Solve for x
    x = 568,496,506.78/27,125.10
  6. Step 6: Final answer
    x = 20,958.32

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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.