Home / 28,109.86-38,797.03-18,051.01

Finding the Fourth Proportional to 28,109.86, 38,797.03 and 18,051.01

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Solution

The fourth proportional to 28,109.86, 38,797.03 and 18,051.01 is: 24,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,109.86 : 38,797.03 = 18,051.01 : x
  2. Step 2: Convert to fraction form
    28,109.86/38,797.03 = 18,051.01/x
  3. Step 3: Cross multiply
    28,109.86x = 38,797.03 × 18,051.01
  4. Step 4: Simplify right side
    28,109.86x = 700,325,583.24
  5. Step 5: Solve for x
    x = 700,325,583.24/28,109.86
  6. Step 6: Final answer
    x = 24,913.87

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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.