Home / 25,985.34-38,992.62-14,139.97

Finding the Fourth Proportional to 25,985.34, 38,992.62 and 14,139.97

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Solution

The fourth proportional to 25,985.34, 38,992.62 and 14,139.97 is: 21,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,985.34 : 38,992.62 = 14,139.97 : x
  2. Step 2: Convert to fraction form
    25,985.34/38,992.62 = 14,139.97/x
  3. Step 3: Cross multiply
    25,985.34x = 38,992.62 × 14,139.97
  4. Step 4: Simplify right side
    25,985.34x = 551,354,651.90
  5. Step 5: Solve for x
    x = 551,354,651.90/25,985.34
  6. Step 6: Final answer
    x = 21,217.91

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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.