Home / 38,889.87-53,653.99-25,468.78

Finding the Fourth Proportional to 38,889.87, 53,653.99 and 25,468.78

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Solution

The fourth proportional to 38,889.87, 53,653.99 and 25,468.78 is: 35,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889.87 : 53,653.99 = 25,468.78 : x
  2. Step 2: Convert to fraction form
    38,889.87/53,653.99 = 25,468.78/x
  3. Step 3: Cross multiply
    38,889.87x = 53,653.99 × 25,468.78
  4. Step 4: Simplify right side
    38,889.87x = 1,366,501,405.95
  5. Step 5: Solve for x
    x = 1,366,501,405.95/38,889.87
  6. Step 6: Final answer
    x = 35,137.72

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1.5x scale

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.