Home / 28,866.29-39,835.10-16,119.69

Finding the Fourth Proportional to 28,866.29, 39,835.10 and 16,119.69

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Solution

The fourth proportional to 28,866.29, 39,835.10 and 16,119.69 is: 22,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866.29 : 39,835.10 = 16,119.69 : x
  2. Step 2: Convert to fraction form
    28,866.29/39,835.10 = 16,119.69/x
  3. Step 3: Cross multiply
    28,866.29x = 39,835.10 × 16,119.69
  4. Step 4: Simplify right side
    28,866.29x = 642,129,382.52
  5. Step 5: Solve for x
    x = 642,129,382.52/28,866.29
  6. Step 6: Final answer
    x = 22,244.96

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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.