Home / 26,728.23-36,822.24-18,647.13

Finding the Fourth Proportional to 26,728.23, 36,822.24 and 18,647.13

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Solution

The fourth proportional to 26,728.23, 36,822.24 and 18,647.13 is: 25,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.23 : 36,822.24 = 18,647.13 : x
  2. Step 2: Convert to fraction form
    26,728.23/36,822.24 = 18,647.13/x
  3. Step 3: Cross multiply
    26,728.23x = 36,822.24 × 18,647.13
  4. Step 4: Simplify right side
    26,728.23x = 686,629,096.17
  5. Step 5: Solve for x
    x = 686,629,096.17/26,728.23
  6. Step 6: Final answer
    x = 25,689.28

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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.