Home / 27,438.10-37,864.26-16,105.60

Finding the Fourth Proportional to 27,438.10, 37,864.26 and 16,105.60

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Solution

The fourth proportional to 27,438.10, 37,864.26 and 16,105.60 is: 22,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.10 : 37,864.26 = 16,105.60 : x
  2. Step 2: Convert to fraction form
    27,438.10/37,864.26 = 16,105.60/x
  3. Step 3: Cross multiply
    27,438.10x = 37,864.26 × 16,105.60
  4. Step 4: Simplify right side
    27,438.10x = 609,826,625.86
  5. Step 5: Solve for x
    x = 609,826,625.86/27,438.10
  6. Step 6: Final answer
    x = 22,225.54

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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.