Home / 23,628.78-35,401.32-21,054.60

Finding the Fourth Proportional to 23,628.78, 35,401.32 and 21,054.60

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Solution

The fourth proportional to 23,628.78, 35,401.32 and 21,054.60 is: 31,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,628.78 : 35,401.32 = 21,054.60 : x
  2. Step 2: Convert to fraction form
    23,628.78/35,401.32 = 21,054.60/x
  3. Step 3: Cross multiply
    23,628.78x = 35,401.32 × 21,054.60
  4. Step 4: Simplify right side
    23,628.78x = 745,360,632.07
  5. Step 5: Solve for x
    x = 745,360,632.07/23,628.78
  6. Step 6: Final answer
    x = 31,544.61

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1.5x scale

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.