Home / 23,431.34-32,334.48-12,820.26

Finding the Fourth Proportional to 23,431.34, 32,334.48 and 12,820.26

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Solution

The fourth proportional to 23,431.34, 32,334.48 and 12,820.26 is: 17,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.34 : 32,334.48 = 12,820.26 : x
  2. Step 2: Convert to fraction form
    23,431.34/32,334.48 = 12,820.26/x
  3. Step 3: Cross multiply
    23,431.34x = 32,334.48 × 12,820.26
  4. Step 4: Simplify right side
    23,431.34x = 414,536,440.56
  5. Step 5: Solve for x
    x = 414,536,440.56/23,431.34
  6. Step 6: Final answer
    x = 17,691.54

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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.