Home / 28,196.40-42,208.20-16,474.80

Finding the Fourth Proportional to 28,196.40, 42,208.20 and 16,474.80

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Solution

The fourth proportional to 28,196.40, 42,208.20 and 16,474.80 is: 24,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.40 : 42,208.20 = 16,474.80 : x
  2. Step 2: Convert to fraction form
    28,196.40/42,208.20 = 16,474.80/x
  3. Step 3: Cross multiply
    28,196.40x = 42,208.20 × 16,474.80
  4. Step 4: Simplify right side
    28,196.40x = 695,371,653.36
  5. Step 5: Solve for x
    x = 695,371,653.36/28,196.40
  6. Step 6: Final answer
    x = 24,661.72

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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.