Home / 43,235.37-64,769.15-28,399.28

Finding the Fourth Proportional to 43,235.37, 64,769.15 and 28,399.28

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Solution

The fourth proportional to 43,235.37, 64,769.15 and 28,399.28 is: 42,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,235.37 : 64,769.15 = 28,399.28 : x
  2. Step 2: Convert to fraction form
    43,235.37/64,769.15 = 28,399.28/x
  3. Step 3: Cross multiply
    43,235.37x = 64,769.15 × 28,399.28
  4. Step 4: Simplify right side
    43,235.37x = 1,839,396,973.36
  5. Step 5: Solve for x
    x = 1,839,396,973.36/43,235.37
  6. Step 6: Final answer
    x = 42,543.80

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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.