Home / 27,795.25-38,363.40-17,721.37

Finding the Fourth Proportional to 27,795.25, 38,363.40 and 17,721.37

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Solution

The fourth proportional to 27,795.25, 38,363.40 and 17,721.37 is: 24,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.25 : 38,363.40 = 17,721.37 : x
  2. Step 2: Convert to fraction form
    27,795.25/38,363.40 = 17,721.37/x
  3. Step 3: Cross multiply
    27,795.25x = 38,363.40 × 17,721.37
  4. Step 4: Simplify right side
    27,795.25x = 679,852,005.86
  5. Step 5: Solve for x
    x = 679,852,005.86/27,795.25
  6. Step 6: Final answer
    x = 24,459.29

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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.