Home / 21,600.21-29,788.52-14,804.11

Finding the Fourth Proportional to 21,600.21, 29,788.52 and 14,804.11

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Solution

The fourth proportional to 21,600.21, 29,788.52 and 14,804.11 is: 20,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.21 : 29,788.52 = 14,804.11 : x
  2. Step 2: Convert to fraction form
    21,600.21/29,788.52 = 14,804.11/x
  3. Step 3: Cross multiply
    21,600.21x = 29,788.52 × 14,804.11
  4. Step 4: Simplify right side
    21,600.21x = 440,992,452.35
  5. Step 5: Solve for x
    x = 440,992,452.35/21,600.21
  6. Step 6: Final answer
    x = 20,416.12

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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.