Home / 25,139.13-34,690.64-14,384.21

Finding the Fourth Proportional to 25,139.13, 34,690.64 and 14,384.21

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Solution

The fourth proportional to 25,139.13, 34,690.64 and 14,384.21 is: 19,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.13 : 34,690.64 = 14,384.21 : x
  2. Step 2: Convert to fraction form
    25,139.13/34,690.64 = 14,384.21/x
  3. Step 3: Cross multiply
    25,139.13x = 34,690.64 × 14,384.21
  4. Step 4: Simplify right side
    25,139.13x = 498,997,450.79
  5. Step 5: Solve for x
    x = 498,997,450.79/25,139.13
  6. Step 6: Final answer
    x = 19,849.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.