Home / 27,829.06-38,404.77-15,254.50

Finding the Fourth Proportional to 27,829.06, 38,404.77 and 15,254.50

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Solution

The fourth proportional to 27,829.06, 38,404.77 and 15,254.50 is: 21,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,829.06 : 38,404.77 = 15,254.50 : x
  2. Step 2: Convert to fraction form
    27,829.06/38,404.77 = 15,254.50/x
  3. Step 3: Cross multiply
    27,829.06x = 38,404.77 × 15,254.50
  4. Step 4: Simplify right side
    27,829.06x = 585,845,563.97
  5. Step 5: Solve for x
    x = 585,845,563.97/27,829.06
  6. Step 6: Final answer
    x = 21,051.58

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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.