Home / 27,821.63-38,395.67-15,246.38

Finding the Fourth Proportional to 27,821.63, 38,395.67 and 15,246.38

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Solution

The fourth proportional to 27,821.63, 38,395.67 and 15,246.38 is: 21,041.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.63 : 38,395.67 = 15,246.38 : x
  2. Step 2: Convert to fraction form
    27,821.63/38,395.67 = 15,246.38/x
  3. Step 3: Cross multiply
    27,821.63x = 38,395.67 × 15,246.38
  4. Step 4: Simplify right side
    27,821.63x = 585,394,975.17
  5. Step 5: Solve for x
    x = 585,394,975.17/27,821.63
  6. Step 6: Final answer
    x = 21,041.00

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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.