Home / 23,313.19-34,976.74-21,920.71

Finding the Fourth Proportional to 23,313.19, 34,976.74 and 21,920.71

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Solution

The fourth proportional to 23,313.19, 34,976.74 and 21,920.71 is: 32,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,313.19 : 34,976.74 = 21,920.71 : x
  2. Step 2: Convert to fraction form
    23,313.19/34,976.74 = 21,920.71/x
  3. Step 3: Cross multiply
    23,313.19x = 34,976.74 × 21,920.71
  4. Step 4: Simplify right side
    23,313.19x = 766,714,843.12
  5. Step 5: Solve for x
    x = 766,714,843.12/23,313.19
  6. Step 6: Final answer
    x = 32,887.60

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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.