Home / 28,215.54-42,240.51-14,857.02

Finding the Fourth Proportional to 28,215.54, 42,240.51 and 14,857.02

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Solution

The fourth proportional to 28,215.54, 42,240.51 and 14,857.02 is: 22,241.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215.54 : 42,240.51 = 14,857.02 : x
  2. Step 2: Convert to fraction form
    28,215.54/42,240.51 = 14,857.02/x
  3. Step 3: Cross multiply
    28,215.54x = 42,240.51 × 14,857.02
  4. Step 4: Simplify right side
    28,215.54x = 627,568,101.88
  5. Step 5: Solve for x
    x = 627,568,101.88/28,215.54
  6. Step 6: Final answer
    x = 22,241.93

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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.