Home / 27,541.12-38,006.78-15,605.26

Finding the Fourth Proportional to 27,541.12, 38,006.78 and 15,605.26

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Solution

The fourth proportional to 27,541.12, 38,006.78 and 15,605.26 is: 21,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,541.12 : 38,006.78 = 15,605.26 : x
  2. Step 2: Convert to fraction form
    27,541.12/38,006.78 = 15,605.26/x
  3. Step 3: Cross multiply
    27,541.12x = 38,006.78 × 15,605.26
  4. Step 4: Simplify right side
    27,541.12x = 593,105,683.66
  5. Step 5: Solve for x
    x = 593,105,683.66/27,541.12
  6. Step 6: Final answer
    x = 21,535.28

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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.