Home / 39,015.68-58,544-14,398.72

Finding the Fourth Proportional to 39,015.68, 58,544 and 14,398.72

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Solution

The fourth proportional to 39,015.68, 58,544 and 14,398.72 is: 21,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.68 : 58,544 = 14,398.72 : x
  2. Step 2: Convert to fraction form
    39,015.68/58,544 = 14,398.72/x
  3. Step 3: Cross multiply
    39,015.68x = 58,544 × 14,398.72
  4. Step 4: Simplify right side
    39,015.68x = 842,958,663.68
  5. Step 5: Solve for x
    x = 842,958,663.68/39,015.68
  6. Step 6: Final answer
    x = 21,605.64

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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.