Home / 27,639.86-41,463.90-8,913.74

Finding the Fourth Proportional to 27,639.86, 41,463.90 and 8,913.74

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Solution

The fourth proportional to 27,639.86, 41,463.90 and 8,913.74 is: 13,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.86 : 41,463.90 = 8,913.74 : x
  2. Step 2: Convert to fraction form
    27,639.86/41,463.90 = 8,913.74/x
  3. Step 3: Cross multiply
    27,639.86x = 41,463.90 × 8,913.74
  4. Step 4: Simplify right side
    27,639.86x = 369,598,216.67
  5. Step 5: Solve for x
    x = 369,598,216.67/27,639.86
  6. Step 6: Final answer
    x = 13,371.93

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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.