Home / 21,351.51-32,028.89-5,769

Finding the Fourth Proportional to 21,351.51, 32,028.89 and 5,769

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Solution

The fourth proportional to 21,351.51, 32,028.89 and 5,769 is: 8,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.51 : 32,028.89 = 5,769 : x
  2. Step 2: Convert to fraction form
    21,351.51/32,028.89 = 5,769/x
  3. Step 3: Cross multiply
    21,351.51x = 32,028.89 × 5,769
  4. Step 4: Simplify right side
    21,351.51x = 184,774,637.57
  5. Step 5: Solve for x
    x = 184,774,637.57/21,351.51
  6. Step 6: Final answer
    x = 8,653.94

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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.