Home / 27,981.03-41,971.50-19,189.29

Finding the Fourth Proportional to 27,981.03, 41,971.50 and 19,189.29

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Solution

The fourth proportional to 27,981.03, 41,971.50 and 19,189.29 is: 28,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.03 : 41,971.50 = 19,189.29 : x
  2. Step 2: Convert to fraction form
    27,981.03/41,971.50 = 19,189.29/x
  3. Step 3: Cross multiply
    27,981.03x = 41,971.50 × 19,189.29
  4. Step 4: Simplify right side
    27,981.03x = 805,403,285.24
  5. Step 5: Solve for x
    x = 805,403,285.24/27,981.03
  6. Step 6: Final answer
    x = 28,783.90

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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.