Home / 19,577.88-29,308.50-18,878.04

Finding the Fourth Proportional to 19,577.88, 29,308.50 and 18,878.04

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Solution

The fourth proportional to 19,577.88, 29,308.50 and 18,878.04 is: 28,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.88 : 29,308.50 = 18,878.04 : x
  2. Step 2: Convert to fraction form
    19,577.88/29,308.50 = 18,878.04/x
  3. Step 3: Cross multiply
    19,577.88x = 29,308.50 × 18,878.04
  4. Step 4: Simplify right side
    19,577.88x = 553,287,035.34
  5. Step 5: Solve for x
    x = 553,287,035.34/19,577.88
  6. Step 6: Final answer
    x = 28,260.82

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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.