Home / 23,032.49-31,786.45-12,961.90

Finding the Fourth Proportional to 23,032.49, 31,786.45 and 12,961.90

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Solution

The fourth proportional to 23,032.49, 31,786.45 and 12,961.90 is: 17,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,032.49 : 31,786.45 = 12,961.90 : x
  2. Step 2: Convert to fraction form
    23,032.49/31,786.45 = 12,961.90/x
  3. Step 3: Cross multiply
    23,032.49x = 31,786.45 × 12,961.90
  4. Step 4: Simplify right side
    23,032.49x = 412,012,674.38
  5. Step 5: Solve for x
    x = 412,012,674.38/23,032.49
  6. Step 6: Final answer
    x = 17,888.32

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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.