Home / 28,795.05-43,189.74-10,071.63

Finding the Fourth Proportional to 28,795.05, 43,189.74 and 10,071.63

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Solution

The fourth proportional to 28,795.05, 43,189.74 and 10,071.63 is: 15,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.05 : 43,189.74 = 10,071.63 : x
  2. Step 2: Convert to fraction form
    28,795.05/43,189.74 = 10,071.63/x
  3. Step 3: Cross multiply
    28,795.05x = 43,189.74 × 10,071.63
  4. Step 4: Simplify right side
    28,795.05x = 434,991,081.08
  5. Step 5: Solve for x
    x = 434,991,081.08/28,795.05
  6. Step 6: Final answer
    x = 15,106.45

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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.