Home / 28,583.46-39,428.82-16,645.50

Finding the Fourth Proportional to 28,583.46, 39,428.82 and 16,645.50

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Solution

The fourth proportional to 28,583.46, 39,428.82 and 16,645.50 is: 22,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583.46 : 39,428.82 = 16,645.50 : x
  2. Step 2: Convert to fraction form
    28,583.46/39,428.82 = 16,645.50/x
  3. Step 3: Cross multiply
    28,583.46x = 39,428.82 × 16,645.50
  4. Step 4: Simplify right side
    28,583.46x = 656,312,423.31
  5. Step 5: Solve for x
    x = 656,312,423.31/28,583.46
  6. Step 6: Final answer
    x = 22,961.27

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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.