Home / 38,011.36-57,021.56-15,839.76

Finding the Fourth Proportional to 38,011.36, 57,021.56 and 15,839.76

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Solution

The fourth proportional to 38,011.36, 57,021.56 and 15,839.76 is: 23,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,011.36 : 57,021.56 = 15,839.76 : x
  2. Step 2: Convert to fraction form
    38,011.36/57,021.56 = 15,839.76/x
  3. Step 3: Cross multiply
    38,011.36x = 57,021.56 × 15,839.76
  4. Step 4: Simplify right side
    38,011.36x = 903,207,825.23
  5. Step 5: Solve for x
    x = 903,207,825.23/38,011.36
  6. Step 6: Final answer
    x = 23,761.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.