Home / 27,389.36-41,079.91-8,666.96

Finding the Fourth Proportional to 27,389.36, 41,079.91 and 8,666.96

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Solution

The fourth proportional to 27,389.36, 41,079.91 and 8,666.96 is: 12,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.36 : 41,079.91 = 8,666.96 : x
  2. Step 2: Convert to fraction form
    27,389.36/41,079.91 = 8,666.96/x
  3. Step 3: Cross multiply
    27,389.36x = 41,079.91 × 8,666.96
  4. Step 4: Simplify right side
    27,389.36x = 356,037,834.07
  5. Step 5: Solve for x
    x = 356,037,834.07/27,389.36
  6. Step 6: Final answer
    x = 12,999.13

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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.