Home / 28,860.19-43,258.76-18,334.91

Finding the Fourth Proportional to 28,860.19, 43,258.76 and 18,334.91

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Solution

The fourth proportional to 28,860.19, 43,258.76 and 18,334.91 is: 27,482.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.19 : 43,258.76 = 18,334.91 : x
  2. Step 2: Convert to fraction form
    28,860.19/43,258.76 = 18,334.91/x
  3. Step 3: Cross multiply
    28,860.19x = 43,258.76 × 18,334.91
  4. Step 4: Simplify right side
    28,860.19x = 793,145,556.54
  5. Step 5: Solve for x
    x = 793,145,556.54/28,860.19
  6. Step 6: Final answer
    x = 27,482.34

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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.