Home / 27,389.06-41,089.74-8,670.21

Finding the Fourth Proportional to 27,389.06, 41,089.74 and 8,670.21

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Solution

The fourth proportional to 27,389.06, 41,089.74 and 8,670.21 is: 13,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.06 : 41,089.74 = 8,670.21 : x
  2. Step 2: Convert to fraction form
    27,389.06/41,089.74 = 8,670.21/x
  3. Step 3: Cross multiply
    27,389.06x = 41,089.74 × 8,670.21
  4. Step 4: Simplify right side
    27,389.06x = 356,256,674.65
  5. Step 5: Solve for x
    x = 356,256,674.65/27,389.06
  6. Step 6: Final answer
    x = 13,007.26

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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.