Home / 72,984.29-109,505.39-26,240.81

Finding the Fourth Proportional to 72,984.29, 109,505.39 and 26,240.81

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Solution

The fourth proportional to 72,984.29, 109,505.39 and 26,240.81 is: 39,371.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,984.29 : 109,505.39 = 26,240.81 : x
  2. Step 2: Convert to fraction form
    72,984.29/109,505.39 = 26,240.81/x
  3. Step 3: Cross multiply
    72,984.29x = 109,505.39 × 26,240.81
  4. Step 4: Simplify right side
    72,984.29x = 2,873,509,454.23
  5. Step 5: Solve for x
    x = 2,873,509,454.23/72,984.29
  6. Step 6: Final answer
    x = 39,371.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.