Home / 27,631.04-38,109.82-17,942.72

Finding the Fourth Proportional to 27,631.04, 38,109.82 and 17,942.72

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Solution

The fourth proportional to 27,631.04, 38,109.82 and 17,942.72 is: 24,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.04 : 38,109.82 = 17,942.72 : x
  2. Step 2: Convert to fraction form
    27,631.04/38,109.82 = 17,942.72/x
  3. Step 3: Cross multiply
    27,631.04x = 38,109.82 × 17,942.72
  4. Step 4: Simplify right side
    27,631.04x = 683,793,829.51
  5. Step 5: Solve for x
    x = 683,793,829.51/27,631.04
  6. Step 6: Final answer
    x = 24,747.31

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1.5x scale

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.