Home / 21,368.16-32,027.76-13,366.56

Finding the Fourth Proportional to 21,368.16, 32,027.76 and 13,366.56

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Solution

The fourth proportional to 21,368.16, 32,027.76 and 13,366.56 is: 20,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.16 : 32,027.76 = 13,366.56 : x
  2. Step 2: Convert to fraction form
    21,368.16/32,027.76 = 13,366.56/x
  3. Step 3: Cross multiply
    21,368.16x = 32,027.76 × 13,366.56
  4. Step 4: Simplify right side
    21,368.16x = 428,100,975.71
  5. Step 5: Solve for x
    x = 428,100,975.71/21,368.16
  6. Step 6: Final answer
    x = 20,034.53

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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.