Home / 28,228.17-38,952.07-16,295.35

Finding the Fourth Proportional to 28,228.17, 38,952.07 and 16,295.35

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Solution

The fourth proportional to 28,228.17, 38,952.07 and 16,295.35 is: 22,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.17 : 38,952.07 = 16,295.35 : x
  2. Step 2: Convert to fraction form
    28,228.17/38,952.07 = 16,295.35/x
  3. Step 3: Cross multiply
    28,228.17x = 38,952.07 × 16,295.35
  4. Step 4: Simplify right side
    28,228.17x = 634,737,613.87
  5. Step 5: Solve for x
    x = 634,737,613.87/28,228.17
  6. Step 6: Final answer
    x = 22,485.96

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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.