Home / 27,942.99-38,554.58-17,730.30

Finding the Fourth Proportional to 27,942.99, 38,554.58 and 17,730.30

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Solution

The fourth proportional to 27,942.99, 38,554.58 and 17,730.30 is: 24,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.99 : 38,554.58 = 17,730.30 : x
  2. Step 2: Convert to fraction form
    27,942.99/38,554.58 = 17,730.30/x
  3. Step 3: Cross multiply
    27,942.99x = 38,554.58 × 17,730.30
  4. Step 4: Simplify right side
    27,942.99x = 683,584,410.49
  5. Step 5: Solve for x
    x = 683,584,410.49/27,942.99
  6. Step 6: Final answer
    x = 24,463.53

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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.