Home / 28,890.51-39,873.48-17,563.56

Finding the Fourth Proportional to 28,890.51, 39,873.48 and 17,563.56

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Solution

The fourth proportional to 28,890.51, 39,873.48 and 17,563.56 is: 24,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.51 : 39,873.48 = 17,563.56 : x
  2. Step 2: Convert to fraction form
    28,890.51/39,873.48 = 17,563.56/x
  3. Step 3: Cross multiply
    28,890.51x = 39,873.48 × 17,563.56
  4. Step 4: Simplify right side
    28,890.51x = 700,320,258.39
  5. Step 5: Solve for x
    x = 700,320,258.39/28,890.51
  6. Step 6: Final answer
    x = 24,240.49

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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.