Home / 21,667.51-32,449.32-11,782.27

Finding the Fourth Proportional to 21,667.51, 32,449.32 and 11,782.27

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Solution

The fourth proportional to 21,667.51, 32,449.32 and 11,782.27 is: 17,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,667.51 : 32,449.32 = 11,782.27 : x
  2. Step 2: Convert to fraction form
    21,667.51/32,449.32 = 11,782.27/x
  3. Step 3: Cross multiply
    21,667.51x = 32,449.32 × 11,782.27
  4. Step 4: Simplify right side
    21,667.51x = 382,326,649.56
  5. Step 5: Solve for x
    x = 382,326,649.56/21,667.51
  6. Step 6: Final answer
    x = 17,645.16

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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.