Home / 19,321.04-28,985.71-5,993.76

Finding the Fourth Proportional to 19,321.04, 28,985.71 and 5,993.76

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Solution

The fourth proportional to 19,321.04, 28,985.71 and 5,993.76 is: 8,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.04 : 28,985.71 = 5,993.76 : x
  2. Step 2: Convert to fraction form
    19,321.04/28,985.71 = 5,993.76/x
  3. Step 3: Cross multiply
    19,321.04x = 28,985.71 × 5,993.76
  4. Step 4: Simplify right side
    19,321.04x = 173,733,502.55
  5. Step 5: Solve for x
    x = 173,733,502.55/19,321.04
  6. Step 6: Final answer
    x = 8,991.94

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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.