Home / 26,478.09-36,546.38-16,400.49

Finding the Fourth Proportional to 26,478.09, 36,546.38 and 16,400.49

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Solution

The fourth proportional to 26,478.09, 36,546.38 and 16,400.49 is: 22,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.09 : 36,546.38 = 16,400.49 : x
  2. Step 2: Convert to fraction form
    26,478.09/36,546.38 = 16,400.49/x
  3. Step 3: Cross multiply
    26,478.09x = 36,546.38 × 16,400.49
  4. Step 4: Simplify right side
    26,478.09x = 599,378,539.73
  5. Step 5: Solve for x
    x = 599,378,539.73/26,478.09
  6. Step 6: Final answer
    x = 22,636.77

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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.