Home / 26,883.01-40,294.64-20,287.81

Finding the Fourth Proportional to 26,883.01, 40,294.64 and 20,287.81

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Solution

The fourth proportional to 26,883.01, 40,294.64 and 20,287.81 is: 30,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,883.01 : 40,294.64 = 20,287.81 : x
  2. Step 2: Convert to fraction form
    26,883.01/40,294.64 = 20,287.81/x
  3. Step 3: Cross multiply
    26,883.01x = 40,294.64 × 20,287.81
  4. Step 4: Simplify right side
    26,883.01x = 817,489,898.90
  5. Step 5: Solve for x
    x = 817,489,898.90/26,883.01
  6. Step 6: Final answer
    x = 30,409.17

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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.