Home / 27,983.74-38,616.42-16,038.76

Finding the Fourth Proportional to 27,983.74, 38,616.42 and 16,038.76

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Solution

The fourth proportional to 27,983.74, 38,616.42 and 16,038.76 is: 22,132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.74 : 38,616.42 = 16,038.76 : x
  2. Step 2: Convert to fraction form
    27,983.74/38,616.42 = 16,038.76/x
  3. Step 3: Cross multiply
    27,983.74x = 38,616.42 × 16,038.76
  4. Step 4: Simplify right side
    27,983.74x = 619,359,492.44
  5. Step 5: Solve for x
    x = 619,359,492.44/27,983.74
  6. Step 6: Final answer
    x = 22,132.83

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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.