Home / 28,196.36-38,909.53-16,258.98

Finding the Fourth Proportional to 28,196.36, 38,909.53 and 16,258.98

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Solution

The fourth proportional to 28,196.36, 38,909.53 and 16,258.98 is: 22,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.36 : 38,909.53 = 16,258.98 : x
  2. Step 2: Convert to fraction form
    28,196.36/38,909.53 = 16,258.98/x
  3. Step 3: Cross multiply
    28,196.36x = 38,909.53 × 16,258.98
  4. Step 4: Simplify right side
    28,196.36x = 632,629,270.08
  5. Step 5: Solve for x
    x = 632,629,270.08/28,196.36
  6. Step 6: Final answer
    x = 22,436.56

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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.