Home / 26,018.43-39,016.10-11,975.05

Finding the Fourth Proportional to 26,018.43, 39,016.10 and 11,975.05

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Solution

The fourth proportional to 26,018.43, 39,016.10 and 11,975.05 is: 17,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,018.43 : 39,016.10 = 11,975.05 : x
  2. Step 2: Convert to fraction form
    26,018.43/39,016.10 = 11,975.05/x
  3. Step 3: Cross multiply
    26,018.43x = 39,016.10 × 11,975.05
  4. Step 4: Simplify right side
    26,018.43x = 467,219,688.43
  5. Step 5: Solve for x
    x = 467,219,688.43/26,018.43
  6. Step 6: Final answer
    x = 17,957.26

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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.