Home / 28,799.56-39,743.22-16,228.36

Finding the Fourth Proportional to 28,799.56, 39,743.22 and 16,228.36

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Solution

The fourth proportional to 28,799.56, 39,743.22 and 16,228.36 is: 22,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.56 : 39,743.22 = 16,228.36 : x
  2. Step 2: Convert to fraction form
    28,799.56/39,743.22 = 16,228.36/x
  3. Step 3: Cross multiply
    28,799.56x = 39,743.22 × 16,228.36
  4. Step 4: Simplify right side
    28,799.56x = 644,967,281.72
  5. Step 5: Solve for x
    x = 644,967,281.72/28,799.56
  6. Step 6: Final answer
    x = 22,395.04

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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.