Home / 27,683.11-38,204.73-15,750.28

Finding the Fourth Proportional to 27,683.11, 38,204.73 and 15,750.28

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Solution

The fourth proportional to 27,683.11, 38,204.73 and 15,750.28 is: 21,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.11 : 38,204.73 = 15,750.28 : x
  2. Step 2: Convert to fraction form
    27,683.11/38,204.73 = 15,750.28/x
  3. Step 3: Cross multiply
    27,683.11x = 38,204.73 × 15,750.28
  4. Step 4: Simplify right side
    27,683.11x = 601,734,925.05
  5. Step 5: Solve for x
    x = 601,734,925.05/27,683.11
  6. Step 6: Final answer
    x = 21,736.54

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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.