Home / 28,765.18-43,164.54-12,124.18

Finding the Fourth Proportional to 28,765.18, 43,164.54 and 12,124.18

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Solution

The fourth proportional to 28,765.18, 43,164.54 and 12,124.18 is: 18,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.18 : 43,164.54 = 12,124.18 : x
  2. Step 2: Convert to fraction form
    28,765.18/43,164.54 = 12,124.18/x
  3. Step 3: Cross multiply
    28,765.18x = 43,164.54 × 12,124.18
  4. Step 4: Simplify right side
    28,765.18x = 523,334,652.58
  5. Step 5: Solve for x
    x = 523,334,652.58/28,765.18
  6. Step 6: Final answer
    x = 18,193.34

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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.