Home / 26,121.76-36,042.96-15,514.72

Finding the Fourth Proportional to 26,121.76, 36,042.96 and 15,514.72

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Solution

The fourth proportional to 26,121.76, 36,042.96 and 15,514.72 is: 21,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.76 : 36,042.96 = 15,514.72 : x
  2. Step 2: Convert to fraction form
    26,121.76/36,042.96 = 15,514.72/x
  3. Step 3: Cross multiply
    26,121.76x = 36,042.96 × 15,514.72
  4. Step 4: Simplify right side
    26,121.76x = 559,196,432.37
  5. Step 5: Solve for x
    x = 559,196,432.37/26,121.76
  6. Step 6: Final answer
    x = 21,407.30

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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.