Home / 26,490.04-36,511.97-20,109.47

Finding the Fourth Proportional to 26,490.04, 36,511.97 and 20,109.47

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Solution

The fourth proportional to 26,490.04, 36,511.97 and 20,109.47 is: 27,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.04 : 36,511.97 = 20,109.47 : x
  2. Step 2: Convert to fraction form
    26,490.04/36,511.97 = 20,109.47/x
  3. Step 3: Cross multiply
    26,490.04x = 36,511.97 × 20,109.47
  4. Step 4: Simplify right side
    26,490.04x = 734,236,082.25
  5. Step 5: Solve for x
    x = 734,236,082.25/26,490.04
  6. Step 6: Final answer
    x = 27,717.44

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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.