Home / 27,628.50-38,127.75-15,053.25

Finding the Fourth Proportional to 27,628.50, 38,127.75 and 15,053.25

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Solution

The fourth proportional to 27,628.50, 38,127.75 and 15,053.25 is: 20,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.50 : 38,127.75 = 15,053.25 : x
  2. Step 2: Convert to fraction form
    27,628.50/38,127.75 = 15,053.25/x
  3. Step 3: Cross multiply
    27,628.50x = 38,127.75 × 15,053.25
  4. Step 4: Simplify right side
    27,628.50x = 573,946,552.69
  5. Step 5: Solve for x
    x = 573,946,552.69/27,628.50
  6. Step 6: Final answer
    x = 20,773.71

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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.