Home / 28,899.54-43,313.04-15,539.76

Finding the Fourth Proportional to 28,899.54, 43,313.04 and 15,539.76

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Solution

The fourth proportional to 28,899.54, 43,313.04 and 15,539.76 is: 23,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.54 : 43,313.04 = 15,539.76 : x
  2. Step 2: Convert to fraction form
    28,899.54/43,313.04 = 15,539.76/x
  3. Step 3: Cross multiply
    28,899.54x = 43,313.04 × 15,539.76
  4. Step 4: Simplify right side
    28,899.54x = 673,074,246.47
  5. Step 5: Solve for x
    x = 673,074,246.47/28,899.54
  6. Step 6: Final answer
    x = 23,290.14

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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.