Home / 27,438.21-37,864.46-16,105.70

Finding the Fourth Proportional to 27,438.21, 37,864.46 and 16,105.70

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Solution

The fourth proportional to 27,438.21, 37,864.46 and 16,105.70 is: 22,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.21 : 37,864.46 = 16,105.70 : x
  2. Step 2: Convert to fraction form
    27,438.21/37,864.46 = 16,105.70/x
  3. Step 3: Cross multiply
    27,438.21x = 37,864.46 × 16,105.70
  4. Step 4: Simplify right side
    27,438.21x = 609,833,363.57
  5. Step 5: Solve for x
    x = 609,833,363.57/27,438.21
  6. Step 6: Final answer
    x = 22,225.70

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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.