Home / 18,435.70-27,653.55-14,720.53

Finding the Fourth Proportional to 18,435.70, 27,653.55 and 14,720.53

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Solution

The fourth proportional to 18,435.70, 27,653.55 and 14,720.53 is: 22,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.70 : 27,653.55 = 14,720.53 : x
  2. Step 2: Convert to fraction form
    18,435.70/27,653.55 = 14,720.53/x
  3. Step 3: Cross multiply
    18,435.70x = 27,653.55 × 14,720.53
  4. Step 4: Simplify right side
    18,435.70x = 407,074,912.38
  5. Step 5: Solve for x
    x = 407,074,912.38/18,435.70
  6. Step 6: Final answer
    x = 22,080.80

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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.