Home / 27,578.04-41,368.40-7,857.96

Finding the Fourth Proportional to 27,578.04, 41,368.40 and 7,857.96

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Solution

The fourth proportional to 27,578.04, 41,368.40 and 7,857.96 is: 11,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.04 : 41,368.40 = 7,857.96 : x
  2. Step 2: Convert to fraction form
    27,578.04/41,368.40 = 7,857.96/x
  3. Step 3: Cross multiply
    27,578.04x = 41,368.40 × 7,857.96
  4. Step 4: Simplify right side
    27,578.04x = 325,071,232.46
  5. Step 5: Solve for x
    x = 325,071,232.46/27,578.04
  6. Step 6: Final answer
    x = 11,787.32

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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.