Home / 21,558.76-32,338.10-5,976.40

Finding the Fourth Proportional to 21,558.76, 32,338.10 and 5,976.40

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Solution

The fourth proportional to 21,558.76, 32,338.10 and 5,976.40 is: 8,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.76 : 32,338.10 = 5,976.40 : x
  2. Step 2: Convert to fraction form
    21,558.76/32,338.10 = 5,976.40/x
  3. Step 3: Cross multiply
    21,558.76x = 32,338.10 × 5,976.40
  4. Step 4: Simplify right side
    21,558.76x = 193,265,420.84
  5. Step 5: Solve for x
    x = 193,265,420.84/21,558.76
  6. Step 6: Final answer
    x = 8,964.59

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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.