Home / 28,100.10-38,783.58-18,041.26

Finding the Fourth Proportional to 28,100.10, 38,783.58 and 18,041.26

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Solution

The fourth proportional to 28,100.10, 38,783.58 and 18,041.26 is: 24,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.10 : 38,783.58 = 18,041.26 : x
  2. Step 2: Convert to fraction form
    28,100.10/38,783.58 = 18,041.26/x
  3. Step 3: Cross multiply
    28,100.10x = 38,783.58 × 18,041.26
  4. Step 4: Simplify right side
    28,100.10x = 699,704,650.51
  5. Step 5: Solve for x
    x = 699,704,650.51/28,100.10
  6. Step 6: Final answer
    x = 24,900.43

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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.