Home / 28,955.59-43,422.45-12,323.46

Finding the Fourth Proportional to 28,955.59, 43,422.45 and 12,323.46

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Solution

The fourth proportional to 28,955.59, 43,422.45 and 12,323.46 is: 18,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955.59 : 43,422.45 = 12,323.46 : x
  2. Step 2: Convert to fraction form
    28,955.59/43,422.45 = 12,323.46/x
  3. Step 3: Cross multiply
    28,955.59x = 43,422.45 × 12,323.46
  4. Step 4: Simplify right side
    28,955.59x = 535,114,825.68
  5. Step 5: Solve for x
    x = 535,114,825.68/28,955.59
  6. Step 6: Final answer
    x = 18,480.54

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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.