Home / 28,346.46-39,118.40-16,246.68

Finding the Fourth Proportional to 28,346.46, 39,118.40 and 16,246.68

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Solution

The fourth proportional to 28,346.46, 39,118.40 and 16,246.68 is: 22,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.46 : 39,118.40 = 16,246.68 : x
  2. Step 2: Convert to fraction form
    28,346.46/39,118.40 = 16,246.68/x
  3. Step 3: Cross multiply
    28,346.46x = 39,118.40 × 16,246.68
  4. Step 4: Simplify right side
    28,346.46x = 635,544,167.53
  5. Step 5: Solve for x
    x = 635,544,167.53/28,346.46
  6. Step 6: Final answer
    x = 22,420.58

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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.