Home / 21,378.28-32,077.66-7,533.80

Finding the Fourth Proportional to 21,378.28, 32,077.66 and 7,533.80

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Solution

The fourth proportional to 21,378.28, 32,077.66 and 7,533.80 is: 11,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,378.28 : 32,077.66 = 7,533.80 : x
  2. Step 2: Convert to fraction form
    21,378.28/32,077.66 = 7,533.80/x
  3. Step 3: Cross multiply
    21,378.28x = 32,077.66 × 7,533.80
  4. Step 4: Simplify right side
    21,378.28x = 241,666,674.91
  5. Step 5: Solve for x
    x = 241,666,674.91/21,378.28
  6. Step 6: Final answer
    x = 11,304.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.