Home / 27,790.84-38,373.48-25,665.59

Finding the Fourth Proportional to 27,790.84, 38,373.48 and 25,665.59

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Solution

The fourth proportional to 27,790.84, 38,373.48 and 25,665.59 is: 35,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790.84 : 38,373.48 = 25,665.59 : x
  2. Step 2: Convert to fraction form
    27,790.84/38,373.48 = 25,665.59/x
  3. Step 3: Cross multiply
    27,790.84x = 38,373.48 × 25,665.59
  4. Step 4: Simplify right side
    27,790.84x = 984,877,876.23
  5. Step 5: Solve for x
    x = 984,877,876.23/27,790.84
  6. Step 6: Final answer
    x = 35,438.94

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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.