Home / 26,737.05-36,897.99-15,405.64

Finding the Fourth Proportional to 26,737.05, 36,897.99 and 15,405.64

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Solution

The fourth proportional to 26,737.05, 36,897.99 and 15,405.64 is: 21,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,737.05 : 36,897.99 = 15,405.64 : x
  2. Step 2: Convert to fraction form
    26,737.05/36,897.99 = 15,405.64/x
  3. Step 3: Cross multiply
    26,737.05x = 36,897.99 × 15,405.64
  4. Step 4: Simplify right side
    26,737.05x = 568,437,150.66
  5. Step 5: Solve for x
    x = 568,437,150.66/26,737.05
  6. Step 6: Final answer
    x = 21,260.28

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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.