Home / 23,984.19-33,150.74-21,129.75

Finding the Fourth Proportional to 23,984.19, 33,150.74 and 21,129.75

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Solution

The fourth proportional to 23,984.19, 33,150.74 and 21,129.75 is: 29,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,984.19 : 33,150.74 = 21,129.75 : x
  2. Step 2: Convert to fraction form
    23,984.19/33,150.74 = 21,129.75/x
  3. Step 3: Cross multiply
    23,984.19x = 33,150.74 × 21,129.75
  4. Step 4: Simplify right side
    23,984.19x = 700,466,742.87
  5. Step 5: Solve for x
    x = 700,466,742.87/23,984.19
  6. Step 6: Final answer
    x = 29,205.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.