Home / 28,336.85-42,446.91-16,621.82

Finding the Fourth Proportional to 28,336.85, 42,446.91 and 16,621.82

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Solution

The fourth proportional to 28,336.85, 42,446.91 and 16,621.82 is: 24,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.85 : 42,446.91 = 16,621.82 : x
  2. Step 2: Convert to fraction form
    28,336.85/42,446.91 = 16,621.82/x
  3. Step 3: Cross multiply
    28,336.85x = 42,446.91 × 16,621.82
  4. Step 4: Simplify right side
    28,336.85x = 705,544,685.34
  5. Step 5: Solve for x
    x = 705,544,685.34/28,336.85
  6. Step 6: Final answer
    x = 24,898.49

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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.