Home / 27,683.55-38,204.19-15,746.58

Finding the Fourth Proportional to 27,683.55, 38,204.19 and 15,746.58

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Solution

The fourth proportional to 27,683.55, 38,204.19 and 15,746.58 is: 21,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.55 : 38,204.19 = 15,746.58 : x
  2. Step 2: Convert to fraction form
    27,683.55/38,204.19 = 15,746.58/x
  3. Step 3: Cross multiply
    27,683.55x = 38,204.19 × 15,746.58
  4. Step 4: Simplify right side
    27,683.55x = 601,585,334.17
  5. Step 5: Solve for x
    x = 601,585,334.17/27,683.55
  6. Step 6: Final answer
    x = 21,730.79

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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.