Home / 28,860.93-39,828.89-16,113.63

Finding the Fourth Proportional to 28,860.93, 39,828.89 and 16,113.63

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Solution

The fourth proportional to 28,860.93, 39,828.89 and 16,113.63 is: 22,237.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.93 : 39,828.89 = 16,113.63 : x
  2. Step 2: Convert to fraction form
    28,860.93/39,828.89 = 16,113.63/x
  3. Step 3: Cross multiply
    28,860.93x = 39,828.89 × 16,113.63
  4. Step 4: Simplify right side
    28,860.93x = 641,787,916.20
  5. Step 5: Solve for x
    x = 641,787,916.20/28,860.93
  6. Step 6: Final answer
    x = 22,237.26

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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.