Home / 28,628.48-39,508.08-16,052.96

Finding the Fourth Proportional to 28,628.48, 39,508.08 and 16,052.96

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Solution

The fourth proportional to 28,628.48, 39,508.08 and 16,052.96 is: 22,153.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,628.48 : 39,508.08 = 16,052.96 : x
  2. Step 2: Convert to fraction form
    28,628.48/39,508.08 = 16,052.96/x
  3. Step 3: Cross multiply
    28,628.48x = 39,508.08 × 16,052.96
  4. Step 4: Simplify right side
    28,628.48x = 634,221,627.92
  5. Step 5: Solve for x
    x = 634,221,627.92/28,628.48
  6. Step 6: Final answer
    x = 22,153.52

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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.