Home / 42,797.23-64,161.07-17,855.86

Finding the Fourth Proportional to 42,797.23, 64,161.07 and 17,855.86

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Solution

The fourth proportional to 42,797.23, 64,161.07 and 17,855.86 is: 26,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,797.23 : 64,161.07 = 17,855.86 : x
  2. Step 2: Convert to fraction form
    42,797.23/64,161.07 = 17,855.86/x
  3. Step 3: Cross multiply
    42,797.23x = 64,161.07 × 17,855.86
  4. Step 4: Simplify right side
    42,797.23x = 1,145,650,994.09
  5. Step 5: Solve for x
    x = 1,145,650,994.09/42,797.23
  6. Step 6: Final answer
    x = 26,769.28

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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.