Home / 21,958.34-32,937.53-5,318.39

Finding the Fourth Proportional to 21,958.34, 32,937.53 and 5,318.39

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Solution

The fourth proportional to 21,958.34, 32,937.53 and 5,318.39 is: 7,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.34 : 32,937.53 = 5,318.39 : x
  2. Step 2: Convert to fraction form
    21,958.34/32,937.53 = 5,318.39/x
  3. Step 3: Cross multiply
    21,958.34x = 32,937.53 × 5,318.39
  4. Step 4: Simplify right side
    21,958.34x = 175,174,630.18
  5. Step 5: Solve for x
    x = 175,174,630.18/21,958.34
  6. Step 6: Final answer
    x = 7,977.59

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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.