Home / 17,829.55-24,651.75-15,615.21

Finding the Fourth Proportional to 17,829.55, 24,651.75 and 15,615.21

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Solution

The fourth proportional to 17,829.55, 24,651.75 and 15,615.21 is: 21,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,829.55 : 24,651.75 = 15,615.21 : x
  2. Step 2: Convert to fraction form
    17,829.55/24,651.75 = 15,615.21/x
  3. Step 3: Cross multiply
    17,829.55x = 24,651.75 × 15,615.21
  4. Step 4: Simplify right side
    17,829.55x = 384,942,253.12
  5. Step 5: Solve for x
    x = 384,942,253.12/17,829.55
  6. Step 6: Final answer
    x = 21,590.13

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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.