Home / 27,590.79-41,386.57-7,869.35

Finding the Fourth Proportional to 27,590.79, 41,386.57 and 7,869.35

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Solution

The fourth proportional to 27,590.79, 41,386.57 and 7,869.35 is: 11,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.79 : 41,386.57 = 7,869.35 : x
  2. Step 2: Convert to fraction form
    27,590.79/41,386.57 = 7,869.35/x
  3. Step 3: Cross multiply
    27,590.79x = 41,386.57 × 7,869.35
  4. Step 4: Simplify right side
    27,590.79x = 325,685,404.63
  5. Step 5: Solve for x
    x = 325,685,404.63/27,590.79
  6. Step 6: Final answer
    x = 11,804.13

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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.