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Finding the Fourth Proportional to 26,826.52, 37,012.04 and 15,494.52

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Solution

The fourth proportional to 26,826.52, 37,012.04 and 15,494.52 is: 21,377.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,826.52 : 37,012.04 = 15,494.52 : x
  2. Step 2: Convert to fraction form
    26,826.52/37,012.04 = 15,494.52/x
  3. Step 3: Cross multiply
    26,826.52x = 37,012.04 × 15,494.52
  4. Step 4: Simplify right side
    26,826.52x = 573,483,794.02
  5. Step 5: Solve for x
    x = 573,483,794.02/26,826.52
  6. Step 6: Final answer
    x = 21,377.49

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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.