Home / 27,973.62-38,603.59-15,398.37

Finding the Fourth Proportional to 27,973.62, 38,603.59 and 15,398.37

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Solution

The fourth proportional to 27,973.62, 38,603.59 and 15,398.37 is: 21,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,973.62 : 38,603.59 = 15,398.37 : x
  2. Step 2: Convert to fraction form
    27,973.62/38,603.59 = 15,398.37/x
  3. Step 3: Cross multiply
    27,973.62x = 38,603.59 × 15,398.37
  4. Step 4: Simplify right side
    27,973.62x = 594,432,280.04
  5. Step 5: Solve for x
    x = 594,432,280.04/27,973.62
  6. Step 6: Final answer
    x = 21,249.75

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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.