Home / 25,356.51-38,035.71-8,728.02

Finding the Fourth Proportional to 25,356.51, 38,035.71 and 8,728.02

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Solution

The fourth proportional to 25,356.51, 38,035.71 and 8,728.02 is: 13,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.51 : 38,035.71 = 8,728.02 : x
  2. Step 2: Convert to fraction form
    25,356.51/38,035.71 = 8,728.02/x
  3. Step 3: Cross multiply
    25,356.51x = 38,035.71 × 8,728.02
  4. Step 4: Simplify right side
    25,356.51x = 331,976,437.59
  5. Step 5: Solve for x
    x = 331,976,437.59/25,356.51
  6. Step 6: Final answer
    x = 13,092.36

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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.