Home / 28,726.02-39,636.03-16,787.01

Finding the Fourth Proportional to 28,726.02, 39,636.03 and 16,787.01

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Solution

The fourth proportional to 28,726.02, 39,636.03 and 16,787.01 is: 23,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.02 : 39,636.03 = 16,787.01 : x
  2. Step 2: Convert to fraction form
    28,726.02/39,636.03 = 16,787.01/x
  3. Step 3: Cross multiply
    28,726.02x = 39,636.03 × 16,787.01
  4. Step 4: Simplify right side
    28,726.02x = 665,370,431.97
  5. Step 5: Solve for x
    x = 665,370,431.97/28,726.02
  6. Step 6: Final answer
    x = 23,162.64

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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.