Home / 26,989.02-40,473.81-11,407.86

Finding the Fourth Proportional to 26,989.02, 40,473.81 and 11,407.86

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Solution

The fourth proportional to 26,989.02, 40,473.81 and 11,407.86 is: 17,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.02 : 40,473.81 = 11,407.86 : x
  2. Step 2: Convert to fraction form
    26,989.02/40,473.81 = 11,407.86/x
  3. Step 3: Cross multiply
    26,989.02x = 40,473.81 × 11,407.86
  4. Step 4: Simplify right side
    26,989.02x = 461,719,558.15
  5. Step 5: Solve for x
    x = 461,719,558.15/26,989.02
  6. Step 6: Final answer
    x = 17,107.68

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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.