Home / 28,303.44-42,419.10-11,644.68

Finding the Fourth Proportional to 28,303.44, 42,419.10 and 11,644.68

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Solution

The fourth proportional to 28,303.44, 42,419.10 and 11,644.68 is: 17,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.44 : 42,419.10 = 11,644.68 : x
  2. Step 2: Convert to fraction form
    28,303.44/42,419.10 = 11,644.68/x
  3. Step 3: Cross multiply
    28,303.44x = 42,419.10 × 11,644.68
  4. Step 4: Simplify right side
    28,303.44x = 493,956,845.39
  5. Step 5: Solve for x
    x = 493,956,845.39/28,303.44
  6. Step 6: Final answer
    x = 17,452.18

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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.