Home / 26,673.28-40,018.56-12,820.48

Finding the Fourth Proportional to 26,673.28, 40,018.56 and 12,820.48

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Solution

The fourth proportional to 26,673.28, 40,018.56 and 12,820.48 is: 19,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,673.28 : 40,018.56 = 12,820.48 : x
  2. Step 2: Convert to fraction form
    26,673.28/40,018.56 = 12,820.48/x
  3. Step 3: Cross multiply
    26,673.28x = 40,018.56 × 12,820.48
  4. Step 4: Simplify right side
    26,673.28x = 513,057,148.11
  5. Step 5: Solve for x
    x = 513,057,148.11/26,673.28
  6. Step 6: Final answer
    x = 19,234.87

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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.