Home / 28,296.21-42,445.73-10,767.41

Finding the Fourth Proportional to 28,296.21, 42,445.73 and 10,767.41

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Solution

The fourth proportional to 28,296.21, 42,445.73 and 10,767.41 is: 16,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.21 : 42,445.73 = 10,767.41 : x
  2. Step 2: Convert to fraction form
    28,296.21/42,445.73 = 10,767.41/x
  3. Step 3: Cross multiply
    28,296.21x = 42,445.73 × 10,767.41
  4. Step 4: Simplify right side
    28,296.21x = 457,030,392.35
  5. Step 5: Solve for x
    x = 457,030,392.35/28,296.21
  6. Step 6: Final answer
    x = 16,151.65

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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.