Home / 18,950.64-28,387.20-9,577.52

Finding the Fourth Proportional to 18,950.64, 28,387.20 and 9,577.52

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Solution

The fourth proportional to 18,950.64, 28,387.20 and 9,577.52 is: 14,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.64 : 28,387.20 = 9,577.52 : x
  2. Step 2: Convert to fraction form
    18,950.64/28,387.20 = 9,577.52/x
  3. Step 3: Cross multiply
    18,950.64x = 28,387.20 × 9,577.52
  4. Step 4: Simplify right side
    18,950.64x = 271,878,975.74
  5. Step 5: Solve for x
    x = 271,878,975.74/18,950.64
  6. Step 6: Final answer
    x = 14,346.69

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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.