Home / 28,163.41-38,875.22-16,231.51

Finding the Fourth Proportional to 28,163.41, 38,875.22 and 16,231.51

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Solution

The fourth proportional to 28,163.41, 38,875.22 and 16,231.51 is: 22,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.41 : 38,875.22 = 16,231.51 : x
  2. Step 2: Convert to fraction form
    28,163.41/38,875.22 = 16,231.51/x
  3. Step 3: Cross multiply
    28,163.41x = 38,875.22 × 16,231.51
  4. Step 4: Simplify right side
    28,163.41x = 631,003,522.18
  5. Step 5: Solve for x
    x = 631,003,522.18/28,163.41
  6. Step 6: Final answer
    x = 22,405.08

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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.