Home / 28,947.52-39,946.98-16,199.92

Finding the Fourth Proportional to 28,947.52, 39,946.98 and 16,199.92

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Solution

The fourth proportional to 28,947.52, 39,946.98 and 16,199.92 is: 22,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.52 : 39,946.98 = 16,199.92 : x
  2. Step 2: Convert to fraction form
    28,947.52/39,946.98 = 16,199.92/x
  3. Step 3: Cross multiply
    28,947.52x = 39,946.98 × 16,199.92
  4. Step 4: Simplify right side
    28,947.52x = 647,137,880.24
  5. Step 5: Solve for x
    x = 647,137,880.24/28,947.52
  6. Step 6: Final answer
    x = 22,355.56

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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.