Home / 23,985.68-33,100.27-13,230.31

Finding the Fourth Proportional to 23,985.68, 33,100.27 and 13,230.31

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Solution

The fourth proportional to 23,985.68, 33,100.27 and 13,230.31 is: 18,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985.68 : 33,100.27 = 13,230.31 : x
  2. Step 2: Convert to fraction form
    23,985.68/33,100.27 = 13,230.31/x
  3. Step 3: Cross multiply
    23,985.68x = 33,100.27 × 13,230.31
  4. Step 4: Simplify right side
    23,985.68x = 437,926,684.28
  5. Step 5: Solve for x
    x = 437,926,684.28/23,985.68
  6. Step 6: Final answer
    x = 18,257.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.