Home / 27,875.70-38,469.94-15,941.43

Finding the Fourth Proportional to 27,875.70, 38,469.94 and 15,941.43

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Solution

The fourth proportional to 27,875.70, 38,469.94 and 15,941.43 is: 22,000.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.70 : 38,469.94 = 15,941.43 : x
  2. Step 2: Convert to fraction form
    27,875.70/38,469.94 = 15,941.43/x
  3. Step 3: Cross multiply
    27,875.70x = 38,469.94 × 15,941.43
  4. Step 4: Simplify right side
    27,875.70x = 613,265,815.76
  5. Step 5: Solve for x
    x = 613,265,815.76/27,875.70
  6. Step 6: Final answer
    x = 22,000.01

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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.