Home / 26,812.80-37,004.84-15,485.04

Finding the Fourth Proportional to 26,812.80, 37,004.84 and 15,485.04

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Solution

The fourth proportional to 26,812.80, 37,004.84 and 15,485.04 is: 21,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,812.80 : 37,004.84 = 15,485.04 : x
  2. Step 2: Convert to fraction form
    26,812.80/37,004.84 = 15,485.04/x
  3. Step 3: Cross multiply
    26,812.80x = 37,004.84 × 15,485.04
  4. Step 4: Simplify right side
    26,812.80x = 573,021,350.17
  5. Step 5: Solve for x
    x = 573,021,350.17/26,812.80
  6. Step 6: Final answer
    x = 21,371.19

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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.