Home / 28,813.52-39,762.42-16,066.58

Finding the Fourth Proportional to 28,813.52, 39,762.42 and 16,066.58

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Solution

The fourth proportional to 28,813.52, 39,762.42 and 16,066.58 is: 22,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813.52 : 39,762.42 = 16,066.58 : x
  2. Step 2: Convert to fraction form
    28,813.52/39,762.42 = 16,066.58/x
  3. Step 3: Cross multiply
    28,813.52x = 39,762.42 × 16,066.58
  4. Step 4: Simplify right side
    28,813.52x = 638,846,101.92
  5. Step 5: Solve for x
    x = 638,846,101.92/28,813.52
  6. Step 6: Final answer
    x = 22,171.75

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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.