Home / 19,217.40-28,890.90-16,366.20

Finding the Fourth Proportional to 19,217.40, 28,890.90 and 16,366.20

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Solution

The fourth proportional to 19,217.40, 28,890.90 and 16,366.20 is: 24,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.40 : 28,890.90 = 16,366.20 : x
  2. Step 2: Convert to fraction form
    19,217.40/28,890.90 = 16,366.20/x
  3. Step 3: Cross multiply
    19,217.40x = 28,890.90 × 16,366.20
  4. Step 4: Simplify right side
    19,217.40x = 472,834,247.58
  5. Step 5: Solve for x
    x = 472,834,247.58/19,217.40
  6. Step 6: Final answer
    x = 24,604.49

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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.