Home / 26,511-39,733.68-13,356.20

Finding the Fourth Proportional to 26,511, 39,733.68 and 13,356.20

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Solution

The fourth proportional to 26,511, 39,733.68 and 13,356.20 is: 20,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,511 : 39,733.68 = 13,356.20 : x
  2. Step 2: Convert to fraction form
    26,511/39,733.68 = 13,356.20/x
  3. Step 3: Cross multiply
    26,511x = 39,733.68 × 13,356.20
  4. Step 4: Simplify right side
    26,511x = 530,690,976.82
  5. Step 5: Solve for x
    x = 530,690,976.82/26,511
  6. Step 6: Final answer
    x = 20,017.77

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1.5x scale

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.