Home / 28,081.46-42,101.37-13,273.07

Finding the Fourth Proportional to 28,081.46, 42,101.37 and 13,273.07

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Solution

The fourth proportional to 28,081.46, 42,101.37 and 13,273.07 is: 19,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.46 : 42,101.37 = 13,273.07 : x
  2. Step 2: Convert to fraction form
    28,081.46/42,101.37 = 13,273.07/x
  3. Step 3: Cross multiply
    28,081.46x = 42,101.37 × 13,273.07
  4. Step 4: Simplify right side
    28,081.46x = 558,814,431.11
  5. Step 5: Solve for x
    x = 558,814,431.11/28,081.46
  6. Step 6: Final answer
    x = 19,899.76

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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.