Home / 43,259.60-64,925.86-16,982.78

Finding the Fourth Proportional to 43,259.60, 64,925.86 and 16,982.78

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Solution

The fourth proportional to 43,259.60, 64,925.86 and 16,982.78 is: 25,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,259.60 : 64,925.86 = 16,982.78 : x
  2. Step 2: Convert to fraction form
    43,259.60/64,925.86 = 16,982.78/x
  3. Step 3: Cross multiply
    43,259.60x = 64,925.86 × 16,982.78
  4. Step 4: Simplify right side
    43,259.60x = 1,102,621,596.69
  5. Step 5: Solve for x
    x = 1,102,621,596.69/43,259.60
  6. Step 6: Final answer
    x = 25,488.48

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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.