Home / 28,878.23-43,283.73-12,232.73

Finding the Fourth Proportional to 28,878.23, 43,283.73 and 12,232.73

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Solution

The fourth proportional to 28,878.23, 43,283.73 and 12,232.73 is: 18,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878.23 : 43,283.73 = 12,232.73 : x
  2. Step 2: Convert to fraction form
    28,878.23/43,283.73 = 12,232.73/x
  3. Step 3: Cross multiply
    28,878.23x = 43,283.73 × 12,232.73
  4. Step 4: Simplify right side
    28,878.23x = 529,478,182.48
  5. Step 5: Solve for x
    x = 529,478,182.48/28,878.23
  6. Step 6: Final answer
    x = 18,334.86

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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.