Home / 27,946.96-38,567.52-15,200.87

Finding the Fourth Proportional to 27,946.96, 38,567.52 and 15,200.87

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Solution

The fourth proportional to 27,946.96, 38,567.52 and 15,200.87 is: 20,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.96 : 38,567.52 = 15,200.87 : x
  2. Step 2: Convert to fraction form
    27,946.96/38,567.52 = 15,200.87/x
  3. Step 3: Cross multiply
    27,946.96x = 38,567.52 × 15,200.87
  4. Step 4: Simplify right side
    27,946.96x = 586,259,622.15
  5. Step 5: Solve for x
    x = 586,259,622.15/27,946.96
  6. Step 6: Final answer
    x = 20,977.58

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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.