Home / 27,192.33-40,779.86-18,483.21

Finding the Fourth Proportional to 27,192.33, 40,779.86 and 18,483.21

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Solution

The fourth proportional to 27,192.33, 40,779.86 and 18,483.21 is: 27,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192.33 : 40,779.86 = 18,483.21 : x
  2. Step 2: Convert to fraction form
    27,192.33/40,779.86 = 18,483.21/x
  3. Step 3: Cross multiply
    27,192.33x = 40,779.86 × 18,483.21
  4. Step 4: Simplify right side
    27,192.33x = 753,742,623.73
  5. Step 5: Solve for x
    x = 753,742,623.73/27,192.33
  6. Step 6: Final answer
    x = 27,718.94

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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.