Home / 28,395.60-39,187.26-16,462.68

Finding the Fourth Proportional to 28,395.60, 39,187.26 and 16,462.68

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Solution

The fourth proportional to 28,395.60, 39,187.26 and 16,462.68 is: 22,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.60 : 39,187.26 = 16,462.68 : x
  2. Step 2: Convert to fraction form
    28,395.60/39,187.26 = 16,462.68/x
  3. Step 3: Cross multiply
    28,395.60x = 39,187.26 × 16,462.68
  4. Step 4: Simplify right side
    28,395.60x = 645,127,174.50
  5. Step 5: Solve for x
    x = 645,127,174.50/28,395.60
  6. Step 6: Final answer
    x = 22,719.27

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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.