Home / 29,009.80-43,457.10-17,288.20

Finding the Fourth Proportional to 29,009.80, 43,457.10 and 17,288.20

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Solution

The fourth proportional to 29,009.80, 43,457.10 and 17,288.20 is: 25,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.80 : 43,457.10 = 17,288.20 : x
  2. Step 2: Convert to fraction form
    29,009.80/43,457.10 = 17,288.20/x
  3. Step 3: Cross multiply
    29,009.80x = 43,457.10 × 17,288.20
  4. Step 4: Simplify right side
    29,009.80x = 751,295,036.22
  5. Step 5: Solve for x
    x = 751,295,036.22/29,009.80
  6. Step 6: Final answer
    x = 25,897.97

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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.