Home / 23,270.30-34,907.88-13,420.70

Finding the Fourth Proportional to 23,270.30, 34,907.88 and 13,420.70

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Solution

The fourth proportional to 23,270.30, 34,907.88 and 13,420.70 is: 20,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,270.30 : 34,907.88 = 13,420.70 : x
  2. Step 2: Convert to fraction form
    23,270.30/34,907.88 = 13,420.70/x
  3. Step 3: Cross multiply
    23,270.30x = 34,907.88 × 13,420.70
  4. Step 4: Simplify right side
    23,270.30x = 468,488,185.12
  5. Step 5: Solve for x
    x = 468,488,185.12/23,270.30
  6. Step 6: Final answer
    x = 20,132.45

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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.