Home / 28,946.74-39,947.22-16,199.50

Finding the Fourth Proportional to 28,946.74, 39,947.22 and 16,199.50

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Solution

The fourth proportional to 28,946.74, 39,947.22 and 16,199.50 is: 22,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.74 : 39,947.22 = 16,199.50 : x
  2. Step 2: Convert to fraction form
    28,946.74/39,947.22 = 16,199.50/x
  3. Step 3: Cross multiply
    28,946.74x = 39,947.22 × 16,199.50
  4. Step 4: Simplify right side
    28,946.74x = 647,124,990.39
  5. Step 5: Solve for x
    x = 647,124,990.39/28,946.74
  6. Step 6: Final answer
    x = 22,355.71

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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.