Home / 28,019.88-38,665.86-17,409.42

Finding the Fourth Proportional to 28,019.88, 38,665.86 and 17,409.42

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Solution

The fourth proportional to 28,019.88, 38,665.86 and 17,409.42 is: 24,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019.88 : 38,665.86 = 17,409.42 : x
  2. Step 2: Convert to fraction form
    28,019.88/38,665.86 = 17,409.42/x
  3. Step 3: Cross multiply
    28,019.88x = 38,665.86 × 17,409.42
  4. Step 4: Simplify right side
    28,019.88x = 673,150,196.40
  5. Step 5: Solve for x
    x = 673,150,196.40/28,019.88
  6. Step 6: Final answer
    x = 24,024.02

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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.