Home / 23,255.13-32,091.21-12,644.40

Finding the Fourth Proportional to 23,255.13, 32,091.21 and 12,644.40

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Solution

The fourth proportional to 23,255.13, 32,091.21 and 12,644.40 is: 17,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,255.13 : 32,091.21 = 12,644.40 : x
  2. Step 2: Convert to fraction form
    23,255.13/32,091.21 = 12,644.40/x
  3. Step 3: Cross multiply
    23,255.13x = 32,091.21 × 12,644.40
  4. Step 4: Simplify right side
    23,255.13x = 405,774,095.72
  5. Step 5: Solve for x
    x = 405,774,095.72/23,255.13
  6. Step 6: Final answer
    x = 17,448.80

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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.