Home / 15,435.03-23,138.67-5,571.99

Finding the Fourth Proportional to 15,435.03, 23,138.67 and 5,571.99

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Solution

The fourth proportional to 15,435.03, 23,138.67 and 5,571.99 is: 8,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.03 : 23,138.67 = 5,571.99 : x
  2. Step 2: Convert to fraction form
    15,435.03/23,138.67 = 5,571.99/x
  3. Step 3: Cross multiply
    15,435.03x = 23,138.67 × 5,571.99
  4. Step 4: Simplify right side
    15,435.03x = 128,928,437.85
  5. Step 5: Solve for x
    x = 128,928,437.85/15,435.03
  6. Step 6: Final answer
    x = 8,352.98

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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.