Home / 27,671.75-38,184.07-15,572.03

Finding the Fourth Proportional to 27,671.75, 38,184.07 and 15,572.03

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Solution

The fourth proportional to 27,671.75, 38,184.07 and 15,572.03 is: 21,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.75 : 38,184.07 = 15,572.03 : x
  2. Step 2: Convert to fraction form
    27,671.75/38,184.07 = 15,572.03/x
  3. Step 3: Cross multiply
    27,671.75x = 38,184.07 × 15,572.03
  4. Step 4: Simplify right side
    27,671.75x = 594,603,253.71
  5. Step 5: Solve for x
    x = 594,603,253.71/27,671.75
  6. Step 6: Final answer
    x = 21,487.73

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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.