Home / 27,853.04-38,431.32-17,775.08

Finding the Fourth Proportional to 27,853.04, 38,431.32 and 17,775.08

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Solution

The fourth proportional to 27,853.04, 38,431.32 and 17,775.08 is: 24,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853.04 : 38,431.32 = 17,775.08 : x
  2. Step 2: Convert to fraction form
    27,853.04/38,431.32 = 17,775.08/x
  3. Step 3: Cross multiply
    27,853.04x = 38,431.32 × 17,775.08
  4. Step 4: Simplify right side
    27,853.04x = 683,119,787.51
  5. Step 5: Solve for x
    x = 683,119,787.51/27,853.04
  6. Step 6: Final answer
    x = 24,525.86

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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.