Home / 18,428.04-27,653.90-18,360

Finding the Fourth Proportional to 18,428.04, 27,653.90 and 18,360

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Solution

The fourth proportional to 18,428.04, 27,653.90 and 18,360 is: 27,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.04 : 27,653.90 = 18,360 : x
  2. Step 2: Convert to fraction form
    18,428.04/27,653.90 = 18,360/x
  3. Step 3: Cross multiply
    18,428.04x = 27,653.90 × 18,360
  4. Step 4: Simplify right side
    18,428.04x = 507,725,512.20
  5. Step 5: Solve for x
    x = 507,725,512.20/18,428.04
  6. Step 6: Final answer
    x = 27,551.79

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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.