Home / 28,922.30-43,333.93-15,783.89

Finding the Fourth Proportional to 28,922.30, 43,333.93 and 15,783.89

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Solution

The fourth proportional to 28,922.30, 43,333.93 and 15,783.89 is: 23,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.30 : 43,333.93 = 15,783.89 : x
  2. Step 2: Convert to fraction form
    28,922.30/43,333.93 = 15,783.89/x
  3. Step 3: Cross multiply
    28,922.30x = 43,333.93 × 15,783.89
  4. Step 4: Simplify right side
    28,922.30x = 683,978,112.45
  5. Step 5: Solve for x
    x = 683,978,112.45/28,922.30
  6. Step 6: Final answer
    x = 23,648.82

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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.