Home / 27,572.94-38,048.43-15,637.39

Finding the Fourth Proportional to 27,572.94, 38,048.43 and 15,637.39

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Solution

The fourth proportional to 27,572.94, 38,048.43 and 15,637.39 is: 21,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,572.94 : 38,048.43 = 15,637.39 : x
  2. Step 2: Convert to fraction form
    27,572.94/38,048.43 = 15,637.39/x
  3. Step 3: Cross multiply
    27,572.94x = 38,048.43 × 15,637.39
  4. Step 4: Simplify right side
    27,572.94x = 594,978,102.32
  5. Step 5: Solve for x
    x = 594,978,102.32/27,572.94
  6. Step 6: Final answer
    x = 21,578.33

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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.