Home / 23,729.64-32,748.75-13,120.26

Finding the Fourth Proportional to 23,729.64, 32,748.75 and 13,120.26

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Solution

The fourth proportional to 23,729.64, 32,748.75 and 13,120.26 is: 18,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,729.64 : 32,748.75 = 13,120.26 : x
  2. Step 2: Convert to fraction form
    23,729.64/32,748.75 = 13,120.26/x
  3. Step 3: Cross multiply
    23,729.64x = 32,748.75 × 13,120.26
  4. Step 4: Simplify right side
    23,729.64x = 429,672,114.68
  5. Step 5: Solve for x
    x = 429,672,114.68/23,729.64
  6. Step 6: Final answer
    x = 18,106.98

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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.