Home / 21,343.72-32,015.53-7,303.87

Finding the Fourth Proportional to 21,343.72, 32,015.53 and 7,303.87

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Solution

The fourth proportional to 21,343.72, 32,015.53 and 7,303.87 is: 10,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.72 : 32,015.53 = 7,303.87 : x
  2. Step 2: Convert to fraction form
    21,343.72/32,015.53 = 7,303.87/x
  3. Step 3: Cross multiply
    21,343.72x = 32,015.53 × 7,303.87
  4. Step 4: Simplify right side
    21,343.72x = 233,837,269.10
  5. Step 5: Solve for x
    x = 233,837,269.10/21,343.72
  6. Step 6: Final answer
    x = 10,955.79

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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.