Home / 23,642.85-35,464.28-11,978.85

Finding the Fourth Proportional to 23,642.85, 35,464.28 and 11,978.85

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Solution

The fourth proportional to 23,642.85, 35,464.28 and 11,978.85 is: 17,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,642.85 : 35,464.28 = 11,978.85 : x
  2. Step 2: Convert to fraction form
    23,642.85/35,464.28 = 11,978.85/x
  3. Step 3: Cross multiply
    23,642.85x = 35,464.28 × 11,978.85
  4. Step 4: Simplify right side
    23,642.85x = 424,821,230.58
  5. Step 5: Solve for x
    x = 424,821,230.58/23,642.85
  6. Step 6: Final answer
    x = 17,968.28

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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.