Home / 27,486.47-41,235.75-15,645.81

Finding the Fourth Proportional to 27,486.47, 41,235.75 and 15,645.81

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Solution

The fourth proportional to 27,486.47, 41,235.75 and 15,645.81 is: 23,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.47 : 41,235.75 = 15,645.81 : x
  2. Step 2: Convert to fraction form
    27,486.47/41,235.75 = 15,645.81/x
  3. Step 3: Cross multiply
    27,486.47x = 41,235.75 × 15,645.81
  4. Step 4: Simplify right side
    27,486.47x = 645,166,709.71
  5. Step 5: Solve for x
    x = 645,166,709.71/27,486.47
  6. Step 6: Final answer
    x = 23,472.16

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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.