Home / 20,826.26-28,697.70-14,845.22

Finding the Fourth Proportional to 20,826.26, 28,697.70 and 14,845.22

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Solution

The fourth proportional to 20,826.26, 28,697.70 and 14,845.22 is: 20,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,826.26 : 28,697.70 = 14,845.22 : x
  2. Step 2: Convert to fraction form
    20,826.26/28,697.70 = 14,845.22/x
  3. Step 3: Cross multiply
    20,826.26x = 28,697.70 × 14,845.22
  4. Step 4: Simplify right side
    20,826.26x = 426,023,669.99
  5. Step 5: Solve for x
    x = 426,023,669.99/20,826.26
  6. Step 6: Final answer
    x = 20,456.08

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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.