Home / 27,628.44-38,126.70-15,053.28

Finding the Fourth Proportional to 27,628.44, 38,126.70 and 15,053.28

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Solution

The fourth proportional to 27,628.44, 38,126.70 and 15,053.28 is: 20,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.44 : 38,126.70 = 15,053.28 : x
  2. Step 2: Convert to fraction form
    27,628.44/38,126.70 = 15,053.28/x
  3. Step 3: Cross multiply
    27,628.44x = 38,126.70 × 15,053.28
  4. Step 4: Simplify right side
    27,628.44x = 573,931,890.58
  5. Step 5: Solve for x
    x = 573,931,890.58/27,628.44
  6. Step 6: Final answer
    x = 20,773.23

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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.