Home / 28,137-38,822.52-16,804.32

Finding the Fourth Proportional to 28,137, 38,822.52 and 16,804.32

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Solution

The fourth proportional to 28,137, 38,822.52 and 16,804.32 is: 23,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,137 : 38,822.52 = 16,804.32 : x
  2. Step 2: Convert to fraction form
    28,137/38,822.52 = 16,804.32/x
  3. Step 3: Cross multiply
    28,137x = 38,822.52 × 16,804.32
  4. Step 4: Simplify right side
    28,137x = 652,386,049.29
  5. Step 5: Solve for x
    x = 652,386,049.29/28,137
  6. Step 6: Final answer
    x = 23,186.06

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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.