Home / 21,967.28-32,950.80-5,327.28

Finding the Fourth Proportional to 21,967.28, 32,950.80 and 5,327.28

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Solution

The fourth proportional to 21,967.28, 32,950.80 and 5,327.28 is: 7,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.28 : 32,950.80 = 5,327.28 : x
  2. Step 2: Convert to fraction form
    21,967.28/32,950.80 = 5,327.28/x
  3. Step 3: Cross multiply
    21,967.28x = 32,950.80 × 5,327.28
  4. Step 4: Simplify right side
    21,967.28x = 175,538,137.82
  5. Step 5: Solve for x
    x = 175,538,137.82/21,967.28
  6. Step 6: Final answer
    x = 7,990.89

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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.