Home / 28,266.05-42,399.75-8,544.53

Finding the Fourth Proportional to 28,266.05, 42,399.75 and 8,544.53

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Solution

The fourth proportional to 28,266.05, 42,399.75 and 8,544.53 is: 12,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.05 : 42,399.75 = 8,544.53 : x
  2. Step 2: Convert to fraction form
    28,266.05/42,399.75 = 8,544.53/x
  3. Step 3: Cross multiply
    28,266.05x = 42,399.75 × 8,544.53
  4. Step 4: Simplify right side
    28,266.05x = 362,285,935.87
  5. Step 5: Solve for x
    x = 362,285,935.87/28,266.05
  6. Step 6: Final answer
    x = 12,817.00

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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.