Home / 28,226.67-38,955.87-18,017.99

Finding the Fourth Proportional to 28,226.67, 38,955.87 and 18,017.99

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Solution

The fourth proportional to 28,226.67, 38,955.87 and 18,017.99 is: 24,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.67 : 38,955.87 = 18,017.99 : x
  2. Step 2: Convert to fraction form
    28,226.67/38,955.87 = 18,017.99/x
  3. Step 3: Cross multiply
    28,226.67x = 38,955.87 × 18,017.99
  4. Step 4: Simplify right side
    28,226.67x = 701,906,476.10
  5. Step 5: Solve for x
    x = 701,906,476.10/28,226.67
  6. Step 6: Final answer
    x = 24,866.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.