Home / 25,518.48-38,245.26-14,431.32

Finding the Fourth Proportional to 25,518.48, 38,245.26 and 14,431.32

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Solution

The fourth proportional to 25,518.48, 38,245.26 and 14,431.32 is: 21,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.48 : 38,245.26 = 14,431.32 : x
  2. Step 2: Convert to fraction form
    25,518.48/38,245.26 = 14,431.32/x
  3. Step 3: Cross multiply
    25,518.48x = 38,245.26 × 14,431.32
  4. Step 4: Simplify right side
    25,518.48x = 551,929,585.54
  5. Step 5: Solve for x
    x = 551,929,585.54/25,518.48
  6. Step 6: Final answer
    x = 21,628.62

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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.