Home / 28,163.84-42,254.60-16,932.11

Finding the Fourth Proportional to 28,163.84, 42,254.60 and 16,932.11

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Solution

The fourth proportional to 28,163.84, 42,254.60 and 16,932.11 is: 25,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.84 : 42,254.60 = 16,932.11 : x
  2. Step 2: Convert to fraction form
    28,163.84/42,254.60 = 16,932.11/x
  3. Step 3: Cross multiply
    28,163.84x = 42,254.60 × 16,932.11
  4. Step 4: Simplify right side
    28,163.84x = 715,459,239.27
  5. Step 5: Solve for x
    x = 715,459,239.27/28,163.84
  6. Step 6: Final answer
    x = 25,403.47

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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.