Home / 26,875.92-40,296.60-12,828.36

Finding the Fourth Proportional to 26,875.92, 40,296.60 and 12,828.36

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Solution

The fourth proportional to 26,875.92, 40,296.60 and 12,828.36 is: 19,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875.92 : 40,296.60 = 12,828.36 : x
  2. Step 2: Convert to fraction form
    26,875.92/40,296.60 = 12,828.36/x
  3. Step 3: Cross multiply
    26,875.92x = 40,296.60 × 12,828.36
  4. Step 4: Simplify right side
    26,875.92x = 516,939,291.58
  5. Step 5: Solve for x
    x = 516,939,291.58/26,875.92
  6. Step 6: Final answer
    x = 19,234.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.