Home / 27,671.04-38,184.48-15,737.28

Finding the Fourth Proportional to 27,671.04, 38,184.48 and 15,737.28

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Solution

The fourth proportional to 27,671.04, 38,184.48 and 15,737.28 is: 21,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.04 : 38,184.48 = 15,737.28 : x
  2. Step 2: Convert to fraction form
    27,671.04/38,184.48 = 15,737.28/x
  3. Step 3: Cross multiply
    27,671.04x = 38,184.48 × 15,737.28
  4. Step 4: Simplify right side
    27,671.04x = 600,919,853.41
  5. Step 5: Solve for x
    x = 600,919,853.41/27,671.04
  6. Step 6: Final answer
    x = 21,716.56

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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.