Home / 52,783.44-72,840.60-28,909.92

Finding the Fourth Proportional to 52,783.44, 72,840.60 and 28,909.92

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Solution

The fourth proportional to 52,783.44, 72,840.60 and 28,909.92 is: 39,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.44 : 72,840.60 = 28,909.92 : x
  2. Step 2: Convert to fraction form
    52,783.44/72,840.60 = 28,909.92/x
  3. Step 3: Cross multiply
    52,783.44x = 72,840.60 × 28,909.92
  4. Step 4: Simplify right side
    52,783.44x = 2,105,815,918.75
  5. Step 5: Solve for x
    x = 2,105,815,918.75/52,783.44
  6. Step 6: Final answer
    x = 39,895.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.