Home / 26,838.48-40,076.88-21,917.64

Finding the Fourth Proportional to 26,838.48, 40,076.88 and 21,917.64

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Solution

The fourth proportional to 26,838.48, 40,076.88 and 21,917.64 is: 32,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838.48 : 40,076.88 = 21,917.64 : x
  2. Step 2: Convert to fraction form
    26,838.48/40,076.88 = 21,917.64/x
  3. Step 3: Cross multiply
    26,838.48x = 40,076.88 × 21,917.64
  4. Step 4: Simplify right side
    26,838.48x = 878,390,628.16
  5. Step 5: Solve for x
    x = 878,390,628.16/26,838.48
  6. Step 6: Final answer
    x = 32,728.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.