Home / 27,970.99-38,600.73-15,224.29

Finding the Fourth Proportional to 27,970.99, 38,600.73 and 15,224.29

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Solution

The fourth proportional to 27,970.99, 38,600.73 and 15,224.29 is: 21,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.99 : 38,600.73 = 15,224.29 : x
  2. Step 2: Convert to fraction form
    27,970.99/38,600.73 = 15,224.29/x
  3. Step 3: Cross multiply
    27,970.99x = 38,600.73 × 15,224.29
  4. Step 4: Simplify right side
    27,970.99x = 587,668,707.73
  5. Step 5: Solve for x
    x = 587,668,707.73/27,970.99
  6. Step 6: Final answer
    x = 21,009.94

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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.