Home / 28,829.44-43,228.79-14,783.78

Finding the Fourth Proportional to 28,829.44, 43,228.79 and 14,783.78

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Solution

The fourth proportional to 28,829.44, 43,228.79 and 14,783.78 is: 22,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.44 : 43,228.79 = 14,783.78 : x
  2. Step 2: Convert to fraction form
    28,829.44/43,228.79 = 14,783.78/x
  3. Step 3: Cross multiply
    28,829.44x = 43,228.79 × 14,783.78
  4. Step 4: Simplify right side
    28,829.44x = 639,084,828.25
  5. Step 5: Solve for x
    x = 639,084,828.25/28,829.44
  6. Step 6: Final answer
    x = 22,167.78

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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.