Home / 17,663.45-26,380.20-15,826.37

Finding the Fourth Proportional to 17,663.45, 26,380.20 and 15,826.37

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Solution

The fourth proportional to 17,663.45, 26,380.20 and 15,826.37 is: 23,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,663.45 : 26,380.20 = 15,826.37 : x
  2. Step 2: Convert to fraction form
    17,663.45/26,380.20 = 15,826.37/x
  3. Step 3: Cross multiply
    17,663.45x = 26,380.20 × 15,826.37
  4. Step 4: Simplify right side
    17,663.45x = 417,502,733.32
  5. Step 5: Solve for x
    x = 417,502,733.32/17,663.45
  6. Step 6: Final answer
    x = 23,636.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.