Home / 20,024.84-30,078.78-15,893.96

Finding the Fourth Proportional to 20,024.84, 30,078.78 and 15,893.96

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Solution

The fourth proportional to 20,024.84, 30,078.78 and 15,893.96 is: 23,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.84 : 30,078.78 = 15,893.96 : x
  2. Step 2: Convert to fraction form
    20,024.84/30,078.78 = 15,893.96/x
  3. Step 3: Cross multiply
    20,024.84x = 30,078.78 × 15,893.96
  4. Step 4: Simplify right side
    20,024.84x = 478,070,926.17
  5. Step 5: Solve for x
    x = 478,070,926.17/20,024.84
  6. Step 6: Final answer
    x = 23,873.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.