Home / 28,676.16-39,572.92-16,100.92

Finding the Fourth Proportional to 28,676.16, 39,572.92 and 16,100.92

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Solution

The fourth proportional to 28,676.16, 39,572.92 and 16,100.92 is: 22,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.16 : 39,572.92 = 16,100.92 : x
  2. Step 2: Convert to fraction form
    28,676.16/39,572.92 = 16,100.92/x
  3. Step 3: Cross multiply
    28,676.16x = 39,572.92 × 16,100.92
  4. Step 4: Simplify right side
    28,676.16x = 637,160,419.09
  5. Step 5: Solve for x
    x = 637,160,419.09/28,676.16
  6. Step 6: Final answer
    x = 22,219.17

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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.