Home / 16,720.24-23,064.48-15,028.96

Finding the Fourth Proportional to 16,720.24, 23,064.48 and 15,028.96

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Solution

The fourth proportional to 16,720.24, 23,064.48 and 15,028.96 is: 20,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.24 : 23,064.48 = 15,028.96 : x
  2. Step 2: Convert to fraction form
    16,720.24/23,064.48 = 15,028.96/x
  3. Step 3: Cross multiply
    16,720.24x = 23,064.48 × 15,028.96
  4. Step 4: Simplify right side
    16,720.24x = 346,635,147.34
  5. Step 5: Solve for x
    x = 346,635,147.34/16,720.24
  6. Step 6: Final answer
    x = 20,731.47

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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.