Home / 28,702.68-43,053.78-11,185.08

Finding the Fourth Proportional to 28,702.68, 43,053.78 and 11,185.08

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Solution

The fourth proportional to 28,702.68, 43,053.78 and 11,185.08 is: 16,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702.68 : 43,053.78 = 11,185.08 : x
  2. Step 2: Convert to fraction form
    28,702.68/43,053.78 = 11,185.08/x
  3. Step 3: Cross multiply
    28,702.68x = 43,053.78 × 11,185.08
  4. Step 4: Simplify right side
    28,702.68x = 481,559,973.60
  5. Step 5: Solve for x
    x = 481,559,973.60/28,702.68
  6. Step 6: Final answer
    x = 16,777.53

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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.