Home / 28,463.04-39,274.56-17,131.68

Finding the Fourth Proportional to 28,463.04, 39,274.56 and 17,131.68

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Solution

The fourth proportional to 28,463.04, 39,274.56 and 17,131.68 is: 23,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.04 : 39,274.56 = 17,131.68 : x
  2. Step 2: Convert to fraction form
    28,463.04/39,274.56 = 17,131.68/x
  3. Step 3: Cross multiply
    28,463.04x = 39,274.56 × 17,131.68
  4. Step 4: Simplify right side
    28,463.04x = 672,839,194.06
  5. Step 5: Solve for x
    x = 672,839,194.06/28,463.04
  6. Step 6: Final answer
    x = 23,639.05

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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.