Home / 28,071.27-38,741.22-16,135.11

Finding the Fourth Proportional to 28,071.27, 38,741.22 and 16,135.11

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Solution

The fourth proportional to 28,071.27, 38,741.22 and 16,135.11 is: 22,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071.27 : 38,741.22 = 16,135.11 : x
  2. Step 2: Convert to fraction form
    28,071.27/38,741.22 = 16,135.11/x
  3. Step 3: Cross multiply
    28,071.27x = 38,741.22 × 16,135.11
  4. Step 4: Simplify right side
    28,071.27x = 625,093,846.23
  5. Step 5: Solve for x
    x = 625,093,846.23/28,071.27
  6. Step 6: Final answer
    x = 22,268.10

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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.