Home / 27,389.61-41,085.86-8,671.62

Finding the Fourth Proportional to 27,389.61, 41,085.86 and 8,671.62

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Solution

The fourth proportional to 27,389.61, 41,085.86 and 8,671.62 is: 13,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.61 : 41,085.86 = 8,671.62 : x
  2. Step 2: Convert to fraction form
    27,389.61/41,085.86 = 8,671.62/x
  3. Step 3: Cross multiply
    27,389.61x = 41,085.86 × 8,671.62
  4. Step 4: Simplify right side
    27,389.61x = 356,280,965.29
  5. Step 5: Solve for x
    x = 356,280,965.29/27,389.61
  6. Step 6: Final answer
    x = 13,007.89

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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.