Home / 26,187.58-39,281.37-21,560.86

Finding the Fourth Proportional to 26,187.58, 39,281.37 and 21,560.86

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Solution

The fourth proportional to 26,187.58, 39,281.37 and 21,560.86 is: 32,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.58 : 39,281.37 = 21,560.86 : x
  2. Step 2: Convert to fraction form
    26,187.58/39,281.37 = 21,560.86/x
  3. Step 3: Cross multiply
    26,187.58x = 39,281.37 × 21,560.86
  4. Step 4: Simplify right side
    26,187.58x = 846,940,119.18
  5. Step 5: Solve for x
    x = 846,940,119.18/26,187.58
  6. Step 6: Final answer
    x = 32,341.29

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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.