Home / 22,994.30-31,725.60-12,921.68

Finding the Fourth Proportional to 22,994.30, 31,725.60 and 12,921.68

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Solution

The fourth proportional to 22,994.30, 31,725.60 and 12,921.68 is: 17,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,994.30 : 31,725.60 = 12,921.68 : x
  2. Step 2: Convert to fraction form
    22,994.30/31,725.60 = 12,921.68/x
  3. Step 3: Cross multiply
    22,994.30x = 31,725.60 × 12,921.68
  4. Step 4: Simplify right side
    22,994.30x = 409,948,081.87
  5. Step 5: Solve for x
    x = 409,948,081.87/22,994.30
  6. Step 6: Final answer
    x = 17,828.25

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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.