Home / 21,741.66-29,996.28-15,024.86

Finding the Fourth Proportional to 21,741.66, 29,996.28 and 15,024.86

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Solution

The fourth proportional to 21,741.66, 29,996.28 and 15,024.86 is: 20,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.66 : 29,996.28 = 15,024.86 : x
  2. Step 2: Convert to fraction form
    21,741.66/29,996.28 = 15,024.86/x
  3. Step 3: Cross multiply
    21,741.66x = 29,996.28 × 15,024.86
  4. Step 4: Simplify right side
    21,741.66x = 450,689,907.52
  5. Step 5: Solve for x
    x = 450,689,907.52/21,741.66
  6. Step 6: Final answer
    x = 20,729.32

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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.