Home / 28,651.29-42,976.88-16,165.64

Finding the Fourth Proportional to 28,651.29, 42,976.88 and 16,165.64

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Solution

The fourth proportional to 28,651.29, 42,976.88 and 16,165.64 is: 24,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651.29 : 42,976.88 = 16,165.64 : x
  2. Step 2: Convert to fraction form
    28,651.29/42,976.88 = 16,165.64/x
  3. Step 3: Cross multiply
    28,651.29x = 42,976.88 × 16,165.64
  4. Step 4: Simplify right side
    28,651.29x = 694,748,797.02
  5. Step 5: Solve for x
    x = 694,748,797.02/28,651.29
  6. Step 6: Final answer
    x = 24,248.43

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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.