Home / 22,989.03-31,725.80-12,917.44

Finding the Fourth Proportional to 22,989.03, 31,725.80 and 12,917.44

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Solution

The fourth proportional to 22,989.03, 31,725.80 and 12,917.44 is: 17,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,989.03 : 31,725.80 = 12,917.44 : x
  2. Step 2: Convert to fraction form
    22,989.03/31,725.80 = 12,917.44/x
  3. Step 3: Cross multiply
    22,989.03x = 31,725.80 × 12,917.44
  4. Step 4: Simplify right side
    22,989.03x = 409,816,117.95
  5. Step 5: Solve for x
    x = 409,816,117.95/22,989.03
  6. Step 6: Final answer
    x = 17,826.59

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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.