Home / 28,641.92-39,525.36-16,066.40

Finding the Fourth Proportional to 28,641.92, 39,525.36 and 16,066.40

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Solution

The fourth proportional to 28,641.92, 39,525.36 and 16,066.40 is: 22,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641.92 : 39,525.36 = 16,066.40 : x
  2. Step 2: Convert to fraction form
    28,641.92/39,525.36 = 16,066.40/x
  3. Step 3: Cross multiply
    28,641.92x = 39,525.36 × 16,066.40
  4. Step 4: Simplify right side
    28,641.92x = 635,030,046.28
  5. Step 5: Solve for x
    x = 635,030,046.28/28,641.92
  6. Step 6: Final answer
    x = 22,171.35

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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.