Home / 26,820.64-37,005.42-18,222.04

Finding the Fourth Proportional to 26,820.64, 37,005.42 and 18,222.04

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Solution

The fourth proportional to 26,820.64, 37,005.42 and 18,222.04 is: 25,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.64 : 37,005.42 = 18,222.04 : x
  2. Step 2: Convert to fraction form
    26,820.64/37,005.42 = 18,222.04/x
  3. Step 3: Cross multiply
    26,820.64x = 37,005.42 × 18,222.04
  4. Step 4: Simplify right side
    26,820.64x = 674,314,243.46
  5. Step 5: Solve for x
    x = 674,314,243.46/26,820.64
  6. Step 6: Final answer
    x = 25,141.62

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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.