Home / 28,025.40-38,673.18-16,087.08

Finding the Fourth Proportional to 28,025.40, 38,673.18 and 16,087.08

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Solution

The fourth proportional to 28,025.40, 38,673.18 and 16,087.08 is: 22,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.40 : 38,673.18 = 16,087.08 : x
  2. Step 2: Convert to fraction form
    28,025.40/38,673.18 = 16,087.08/x
  3. Step 3: Cross multiply
    28,025.40x = 38,673.18 × 16,087.08
  4. Step 4: Simplify right side
    28,025.40x = 622,138,540.51
  5. Step 5: Solve for x
    x = 622,138,540.51/28,025.40
  6. Step 6: Final answer
    x = 22,199.10

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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.