Home / 28,366.24-42,548.96-12,772.80

Finding the Fourth Proportional to 28,366.24, 42,548.96 and 12,772.80

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Solution

The fourth proportional to 28,366.24, 42,548.96 and 12,772.80 is: 19,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.24 : 42,548.96 = 12,772.80 : x
  2. Step 2: Convert to fraction form
    28,366.24/42,548.96 = 12,772.80/x
  3. Step 3: Cross multiply
    28,366.24x = 42,548.96 × 12,772.80
  4. Step 4: Simplify right side
    28,366.24x = 543,469,356.29
  5. Step 5: Solve for x
    x = 543,469,356.29/28,366.24
  6. Step 6: Final answer
    x = 19,159.02

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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.