Home / 28,099.99-38,783.42-18,041.14

Finding the Fourth Proportional to 28,099.99, 38,783.42 and 18,041.14

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Solution

The fourth proportional to 28,099.99, 38,783.42 and 18,041.14 is: 24,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.99 : 38,783.42 = 18,041.14 : x
  2. Step 2: Convert to fraction form
    28,099.99/38,783.42 = 18,041.14/x
  3. Step 3: Cross multiply
    28,099.99x = 38,783.42 × 18,041.14
  4. Step 4: Simplify right side
    28,099.99x = 699,697,109.90
  5. Step 5: Solve for x
    x = 699,697,109.90/28,099.99
  6. Step 6: Final answer
    x = 24,900.26

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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.