Home / 28,158.26-42,245.36-14,101.32

Finding the Fourth Proportional to 28,158.26, 42,245.36 and 14,101.32

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Solution

The fourth proportional to 28,158.26, 42,245.36 and 14,101.32 is: 21,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.26 : 42,245.36 = 14,101.32 : x
  2. Step 2: Convert to fraction form
    28,158.26/42,245.36 = 14,101.32/x
  3. Step 3: Cross multiply
    28,158.26x = 42,245.36 × 14,101.32
  4. Step 4: Simplify right side
    28,158.26x = 595,715,339.88
  5. Step 5: Solve for x
    x = 595,715,339.88/28,158.26
  6. Step 6: Final answer
    x = 21,155.97

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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.