Home / 21,956.69-32,931.68-7,165.60

Finding the Fourth Proportional to 21,956.69, 32,931.68 and 7,165.60

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Solution

The fourth proportional to 21,956.69, 32,931.68 and 7,165.60 is: 10,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.69 : 32,931.68 = 7,165.60 : x
  2. Step 2: Convert to fraction form
    21,956.69/32,931.68 = 7,165.60/x
  3. Step 3: Cross multiply
    21,956.69x = 32,931.68 × 7,165.60
  4. Step 4: Simplify right side
    21,956.69x = 235,975,246.21
  5. Step 5: Solve for x
    x = 235,975,246.21/21,956.69
  6. Step 6: Final answer
    x = 10,747.31

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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.