Home / 27,117.10-40,695.90-13,962.70

Finding the Fourth Proportional to 27,117.10, 40,695.90 and 13,962.70

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Solution

The fourth proportional to 27,117.10, 40,695.90 and 13,962.70 is: 20,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.10 : 40,695.90 = 13,962.70 : x
  2. Step 2: Convert to fraction form
    27,117.10/40,695.90 = 13,962.70/x
  3. Step 3: Cross multiply
    27,117.10x = 40,695.90 × 13,962.70
  4. Step 4: Simplify right side
    27,117.10x = 568,224,642.93
  5. Step 5: Solve for x
    x = 568,224,642.93/27,117.10
  6. Step 6: Final answer
    x = 20,954.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.