Home / 28,636.10-39,525.32-16,064.90

Finding the Fourth Proportional to 28,636.10, 39,525.32 and 16,064.90

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Solution

The fourth proportional to 28,636.10, 39,525.32 and 16,064.90 is: 22,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.10 : 39,525.32 = 16,064.90 : x
  2. Step 2: Convert to fraction form
    28,636.10/39,525.32 = 16,064.90/x
  3. Step 3: Cross multiply
    28,636.10x = 39,525.32 × 16,064.90
  4. Step 4: Simplify right side
    28,636.10x = 634,970,304.02
  5. Step 5: Solve for x
    x = 634,970,304.02/28,636.10
  6. Step 6: Final answer
    x = 22,173.77

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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.