Home / 26,373.73-36,392.52-21,009.83

Finding the Fourth Proportional to 26,373.73, 36,392.52 and 21,009.83

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Solution

The fourth proportional to 26,373.73, 36,392.52 and 21,009.83 is: 28,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,373.73 : 36,392.52 = 21,009.83 : x
  2. Step 2: Convert to fraction form
    26,373.73/36,392.52 = 21,009.83/x
  3. Step 3: Cross multiply
    26,373.73x = 36,392.52 × 21,009.83
  4. Step 4: Simplify right side
    26,373.73x = 764,600,555.30
  5. Step 5: Solve for x
    x = 764,600,555.30/26,373.73
  6. Step 6: Final answer
    x = 28,990.99

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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.