Home / 21,933.07-32,881.14-8,778.25

Finding the Fourth Proportional to 21,933.07, 32,881.14 and 8,778.25

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Solution

The fourth proportional to 21,933.07, 32,881.14 and 8,778.25 is: 13,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.07 : 32,881.14 = 8,778.25 : x
  2. Step 2: Convert to fraction form
    21,933.07/32,881.14 = 8,778.25/x
  3. Step 3: Cross multiply
    21,933.07x = 32,881.14 × 8,778.25
  4. Step 4: Simplify right side
    21,933.07x = 288,638,867.21
  5. Step 5: Solve for x
    x = 288,638,867.21/21,933.07
  6. Step 6: Final answer
    x = 13,159.98

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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.