Home / 19,221.02-28,832.67-5,370.02

Finding the Fourth Proportional to 19,221.02, 28,832.67 and 5,370.02

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Solution

The fourth proportional to 19,221.02, 28,832.67 and 5,370.02 is: 8,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.02 : 28,832.67 = 5,370.02 : x
  2. Step 2: Convert to fraction form
    19,221.02/28,832.67 = 5,370.02/x
  3. Step 3: Cross multiply
    19,221.02x = 28,832.67 × 5,370.02
  4. Step 4: Simplify right side
    19,221.02x = 154,832,014.55
  5. Step 5: Solve for x
    x = 154,832,014.55/19,221.02
  6. Step 6: Final answer
    x = 8,055.35

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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.