Home / 27,389.29-41,090.09-8,670.45

Finding the Fourth Proportional to 27,389.29, 41,090.09 and 8,670.45

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Solution

The fourth proportional to 27,389.29, 41,090.09 and 8,670.45 is: 13,007.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.29 : 41,090.09 = 8,670.45 : x
  2. Step 2: Convert to fraction form
    27,389.29/41,090.09 = 8,670.45/x
  3. Step 3: Cross multiply
    27,389.29x = 41,090.09 × 8,670.45
  4. Step 4: Simplify right side
    27,389.29x = 356,269,576.26
  5. Step 5: Solve for x
    x = 356,269,576.26/27,389.29
  6. Step 6: Final answer
    x = 13,007.62

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1.5x scale

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.