Home / 18,782.92-28,150.80-16,437.36

Finding the Fourth Proportional to 18,782.92, 28,150.80 and 16,437.36

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Solution

The fourth proportional to 18,782.92, 28,150.80 and 16,437.36 is: 24,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782.92 : 28,150.80 = 16,437.36 : x
  2. Step 2: Convert to fraction form
    18,782.92/28,150.80 = 16,437.36/x
  3. Step 3: Cross multiply
    18,782.92x = 28,150.80 × 16,437.36
  4. Step 4: Simplify right side
    18,782.92x = 462,724,833.89
  5. Step 5: Solve for x
    x = 462,724,833.89/18,782.92
  6. Step 6: Final answer
    x = 24,635.40

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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.