Home / 26,004.80-35,891.28-15,399.68

Finding the Fourth Proportional to 26,004.80, 35,891.28 and 15,399.68

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Solution

The fourth proportional to 26,004.80, 35,891.28 and 15,399.68 is: 21,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,004.80 : 35,891.28 = 15,399.68 : x
  2. Step 2: Convert to fraction form
    26,004.80/35,891.28 = 15,399.68/x
  3. Step 3: Cross multiply
    26,004.80x = 35,891.28 × 15,399.68
  4. Step 4: Simplify right side
    26,004.80x = 552,714,226.79
  5. Step 5: Solve for x
    x = 552,714,226.79/26,004.80
  6. Step 6: Final answer
    x = 21,254.32

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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.