Home / 19,400.88-29,066.08-14,965.68

Finding the Fourth Proportional to 19,400.88, 29,066.08 and 14,965.68

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Solution

The fourth proportional to 19,400.88, 29,066.08 and 14,965.68 is: 22,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.88 : 29,066.08 = 14,965.68 : x
  2. Step 2: Convert to fraction form
    19,400.88/29,066.08 = 14,965.68/x
  3. Step 3: Cross multiply
    19,400.88x = 29,066.08 × 14,965.68
  4. Step 4: Simplify right side
    19,400.88x = 434,993,652.13
  5. Step 5: Solve for x
    x = 434,993,652.13/19,400.88
  6. Step 6: Final answer
    x = 22,421.34

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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.