Home / 26,881.64-40,330.66-13,743.24

Finding the Fourth Proportional to 26,881.64, 40,330.66 and 13,743.24

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Solution

The fourth proportional to 26,881.64, 40,330.66 and 13,743.24 is: 20,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.64 : 40,330.66 = 13,743.24 : x
  2. Step 2: Convert to fraction form
    26,881.64/40,330.66 = 13,743.24/x
  3. Step 3: Cross multiply
    26,881.64x = 40,330.66 × 13,743.24
  4. Step 4: Simplify right side
    26,881.64x = 554,273,737.52
  5. Step 5: Solve for x
    x = 554,273,737.52/26,881.64
  6. Step 6: Final answer
    x = 20,619.05

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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.