Home / 43,267.98-64,905.62-13,685.16

Finding the Fourth Proportional to 43,267.98, 64,905.62 and 13,685.16

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Solution

The fourth proportional to 43,267.98, 64,905.62 and 13,685.16 is: 20,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,267.98 : 64,905.62 = 13,685.16 : x
  2. Step 2: Convert to fraction form
    43,267.98/64,905.62 = 13,685.16/x
  3. Step 3: Cross multiply
    43,267.98x = 64,905.62 × 13,685.16
  4. Step 4: Simplify right side
    43,267.98x = 888,243,794.60
  5. Step 5: Solve for x
    x = 888,243,794.60/43,267.98
  6. Step 6: Final answer
    x = 20,528.89

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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.