Home / 28,048.74-38,707.68-15,473.48

Finding the Fourth Proportional to 28,048.74, 38,707.68 and 15,473.48

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Solution

The fourth proportional to 28,048.74, 38,707.68 and 15,473.48 is: 21,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.74 : 38,707.68 = 15,473.48 : x
  2. Step 2: Convert to fraction form
    28,048.74/38,707.68 = 15,473.48/x
  3. Step 3: Cross multiply
    28,048.74x = 38,707.68 × 15,473.48
  4. Step 4: Simplify right side
    28,048.74x = 598,942,512.33
  5. Step 5: Solve for x
    x = 598,942,512.33/28,048.74
  6. Step 6: Final answer
    x = 21,353.63

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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.