Home / 26,721.34-36,876-16,108.72

Finding the Fourth Proportional to 26,721.34, 36,876 and 16,108.72

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Solution

The fourth proportional to 26,721.34, 36,876 and 16,108.72 is: 22,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.34 : 36,876 = 16,108.72 : x
  2. Step 2: Convert to fraction form
    26,721.34/36,876 = 16,108.72/x
  3. Step 3: Cross multiply
    26,721.34x = 36,876 × 16,108.72
  4. Step 4: Simplify right side
    26,721.34x = 594,025,158.72
  5. Step 5: Solve for x
    x = 594,025,158.72/26,721.34
  6. Step 6: Final answer
    x = 22,230.37

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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.