Home / 20,697.64-28,596.20-14,437.96

Finding the Fourth Proportional to 20,697.64, 28,596.20 and 14,437.96

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Solution

The fourth proportional to 20,697.64, 28,596.20 and 14,437.96 is: 19,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697.64 : 28,596.20 = 14,437.96 : x
  2. Step 2: Convert to fraction form
    20,697.64/28,596.20 = 14,437.96/x
  3. Step 3: Cross multiply
    20,697.64x = 28,596.20 × 14,437.96
  4. Step 4: Simplify right side
    20,697.64x = 412,870,791.75
  5. Step 5: Solve for x
    x = 412,870,791.75/20,697.64
  6. Step 6: Final answer
    x = 19,947.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.