Home / 27,186.65-40,790.34-10,558.35

Finding the Fourth Proportional to 27,186.65, 40,790.34 and 10,558.35

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Solution

The fourth proportional to 27,186.65, 40,790.34 and 10,558.35 is: 15,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.65 : 40,790.34 = 10,558.35 : x
  2. Step 2: Convert to fraction form
    27,186.65/40,790.34 = 10,558.35/x
  3. Step 3: Cross multiply
    27,186.65x = 40,790.34 × 10,558.35
  4. Step 4: Simplify right side
    27,186.65x = 430,678,686.34
  5. Step 5: Solve for x
    x = 430,678,686.34/27,186.65
  6. Step 6: Final answer
    x = 15,841.55

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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.