Home / 18,054.40-27,008.70-15,616.30

Finding the Fourth Proportional to 18,054.40, 27,008.70 and 15,616.30

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Solution

The fourth proportional to 18,054.40, 27,008.70 and 15,616.30 is: 23,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.40 : 27,008.70 = 15,616.30 : x
  2. Step 2: Convert to fraction form
    18,054.40/27,008.70 = 15,616.30/x
  3. Step 3: Cross multiply
    18,054.40x = 27,008.70 × 15,616.30
  4. Step 4: Simplify right side
    18,054.40x = 421,775,961.81
  5. Step 5: Solve for x
    x = 421,775,961.81/18,054.40
  6. Step 6: Final answer
    x = 23,361.39

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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.