Home / 18,423.89-27,635.73-5,276.25

Finding the Fourth Proportional to 18,423.89, 27,635.73 and 5,276.25

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Solution

The fourth proportional to 18,423.89, 27,635.73 and 5,276.25 is: 7,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.89 : 27,635.73 = 5,276.25 : x
  2. Step 2: Convert to fraction form
    18,423.89/27,635.73 = 5,276.25/x
  3. Step 3: Cross multiply
    18,423.89x = 27,635.73 × 5,276.25
  4. Step 4: Simplify right side
    18,423.89x = 145,813,020.41
  5. Step 5: Solve for x
    x = 145,813,020.41/18,423.89
  6. Step 6: Final answer
    x = 7,914.35

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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.