Home / 28,263.42-42,408.87-11,628.42

Finding the Fourth Proportional to 28,263.42, 42,408.87 and 11,628.42

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Solution

The fourth proportional to 28,263.42, 42,408.87 and 11,628.42 is: 17,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.42 : 42,408.87 = 11,628.42 : x
  2. Step 2: Convert to fraction form
    28,263.42/42,408.87 = 11,628.42/x
  3. Step 3: Cross multiply
    28,263.42x = 42,408.87 × 11,628.42
  4. Step 4: Simplify right side
    28,263.42x = 493,148,152.09
  5. Step 5: Solve for x
    x = 493,148,152.09/28,263.42
  6. Step 6: Final answer
    x = 17,448.28

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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.