Home / 28,162.92-42,268.62-14,663.64

Finding the Fourth Proportional to 28,162.92, 42,268.62 and 14,663.64

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Solution

The fourth proportional to 28,162.92, 42,268.62 and 14,663.64 is: 22,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,162.92 : 42,268.62 = 14,663.64 : x
  2. Step 2: Convert to fraction form
    28,162.92/42,268.62 = 14,663.64/x
  3. Step 3: Cross multiply
    28,162.92x = 42,268.62 × 14,663.64
  4. Step 4: Simplify right side
    28,162.92x = 619,811,826.98
  5. Step 5: Solve for x
    x = 619,811,826.98/28,162.92
  6. Step 6: Final answer
    x = 22,008.08

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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.