Home / 25,664.34-38,496.51-9,876.81

Finding the Fourth Proportional to 25,664.34, 38,496.51 and 9,876.81

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Solution

The fourth proportional to 25,664.34, 38,496.51 and 9,876.81 is: 14,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664.34 : 38,496.51 = 9,876.81 : x
  2. Step 2: Convert to fraction form
    25,664.34/38,496.51 = 9,876.81/x
  3. Step 3: Cross multiply
    25,664.34x = 38,496.51 × 9,876.81
  4. Step 4: Simplify right side
    25,664.34x = 380,222,714.93
  5. Step 5: Solve for x
    x = 380,222,714.93/25,664.34
  6. Step 6: Final answer
    x = 14,815.22

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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.