Home / 27,138.16-40,892.10-22,315.83

Finding the Fourth Proportional to 27,138.16, 40,892.10 and 22,315.83

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Solution

The fourth proportional to 27,138.16, 40,892.10 and 22,315.83 is: 33,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.16 : 40,892.10 = 22,315.83 : x
  2. Step 2: Convert to fraction form
    27,138.16/40,892.10 = 22,315.83/x
  3. Step 3: Cross multiply
    27,138.16x = 40,892.10 × 22,315.83
  4. Step 4: Simplify right side
    27,138.16x = 912,540,835.90
  5. Step 5: Solve for x
    x = 912,540,835.90/27,138.16
  6. Step 6: Final answer
    x = 33,625.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.