Home / 28,799.46-39,743.19-16,224.12

Finding the Fourth Proportional to 28,799.46, 39,743.19 and 16,224.12

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Solution

The fourth proportional to 28,799.46, 39,743.19 and 16,224.12 is: 22,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.46 : 39,743.19 = 16,224.12 : x
  2. Step 2: Convert to fraction form
    28,799.46/39,743.19 = 16,224.12/x
  3. Step 3: Cross multiply
    28,799.46x = 39,743.19 × 16,224.12
  4. Step 4: Simplify right side
    28,799.46x = 644,798,283.74
  5. Step 5: Solve for x
    x = 644,798,283.74/28,799.46
  6. Step 6: Final answer
    x = 22,389.25

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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.