Home / 26,828.72-40,243.08-7,108.82

Finding the Fourth Proportional to 26,828.72, 40,243.08 and 7,108.82

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Solution

The fourth proportional to 26,828.72, 40,243.08 and 7,108.82 is: 10,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.72 : 40,243.08 = 7,108.82 : x
  2. Step 2: Convert to fraction form
    26,828.72/40,243.08 = 7,108.82/x
  3. Step 3: Cross multiply
    26,828.72x = 40,243.08 × 7,108.82
  4. Step 4: Simplify right side
    26,828.72x = 286,080,811.97
  5. Step 5: Solve for x
    x = 286,080,811.97/26,828.72
  6. Step 6: Final answer
    x = 10,663.23

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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.