Home / 27,439.02-41,164.61-8,724.78

Finding the Fourth Proportional to 27,439.02, 41,164.61 and 8,724.78

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Solution

The fourth proportional to 27,439.02, 41,164.61 and 8,724.78 is: 13,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,439.02 : 41,164.61 = 8,724.78 : x
  2. Step 2: Convert to fraction form
    27,439.02/41,164.61 = 8,724.78/x
  3. Step 3: Cross multiply
    27,439.02x = 41,164.61 × 8,724.78
  4. Step 4: Simplify right side
    27,439.02x = 359,152,122.41
  5. Step 5: Solve for x
    x = 359,152,122.41/27,439.02
  6. Step 6: Final answer
    x = 13,089.10

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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.