Home / 25,992.48-38,968.85-21,536.46

Finding the Fourth Proportional to 25,992.48, 38,968.85 and 21,536.46

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Solution

The fourth proportional to 25,992.48, 38,968.85 and 21,536.46 is: 32,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,992.48 : 38,968.85 = 21,536.46 : x
  2. Step 2: Convert to fraction form
    25,992.48/38,968.85 = 21,536.46/x
  3. Step 3: Cross multiply
    25,992.48x = 38,968.85 × 21,536.46
  4. Step 4: Simplify right side
    25,992.48x = 839,250,971.59
  5. Step 5: Solve for x
    x = 839,250,971.59/25,992.48
  6. Step 6: Final answer
    x = 32,288.22

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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.