Home / 28,084.68-42,116.04-14,040.36

Finding the Fourth Proportional to 28,084.68, 42,116.04 and 14,040.36

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Solution

The fourth proportional to 28,084.68, 42,116.04 and 14,040.36 is: 21,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.68 : 42,116.04 = 14,040.36 : x
  2. Step 2: Convert to fraction form
    28,084.68/42,116.04 = 14,040.36/x
  3. Step 3: Cross multiply
    28,084.68x = 42,116.04 × 14,040.36
  4. Step 4: Simplify right side
    28,084.68x = 591,324,363.37
  5. Step 5: Solve for x
    x = 591,324,363.37/28,084.68
  6. Step 6: Final answer
    x = 21,055.05

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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.