Home / 28,518.48-39,351.24-16,254

Finding the Fourth Proportional to 28,518.48, 39,351.24 and 16,254

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Solution

The fourth proportional to 28,518.48, 39,351.24 and 16,254 is: 22,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.48 : 39,351.24 = 16,254 : x
  2. Step 2: Convert to fraction form
    28,518.48/39,351.24 = 16,254/x
  3. Step 3: Cross multiply
    28,518.48x = 39,351.24 × 16,254
  4. Step 4: Simplify right side
    28,518.48x = 639,615,054.96
  5. Step 5: Solve for x
    x = 639,615,054.96/28,518.48
  6. Step 6: Final answer
    x = 22,428.09

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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.