Home / 28,087.35-42,094.59-11,427.99

Finding the Fourth Proportional to 28,087.35, 42,094.59 and 11,427.99

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Solution

The fourth proportional to 28,087.35, 42,094.59 and 11,427.99 is: 17,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.35 : 42,094.59 = 11,427.99 : x
  2. Step 2: Convert to fraction form
    28,087.35/42,094.59 = 11,427.99/x
  3. Step 3: Cross multiply
    28,087.35x = 42,094.59 × 11,427.99
  4. Step 4: Simplify right side
    28,087.35x = 481,056,553.57
  5. Step 5: Solve for x
    x = 481,056,553.57/28,087.35
  6. Step 6: Final answer
    x = 17,127.16

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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.