Home / 25,368.51-38,051.82-7,838.31

Finding the Fourth Proportional to 25,368.51, 38,051.82 and 7,838.31

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Solution

The fourth proportional to 25,368.51, 38,051.82 and 7,838.31 is: 11,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.51 : 38,051.82 = 7,838.31 : x
  2. Step 2: Convert to fraction form
    25,368.51/38,051.82 = 7,838.31/x
  3. Step 3: Cross multiply
    25,368.51x = 38,051.82 × 7,838.31
  4. Step 4: Simplify right side
    25,368.51x = 298,261,961.22
  5. Step 5: Solve for x
    x = 298,261,961.22/25,368.51
  6. Step 6: Final answer
    x = 11,757.17

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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.