Home / 25,954.97-38,913.99-12,430.65

Finding the Fourth Proportional to 25,954.97, 38,913.99 and 12,430.65

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Solution

The fourth proportional to 25,954.97, 38,913.99 and 12,430.65 is: 18,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,954.97 : 38,913.99 = 12,430.65 : x
  2. Step 2: Convert to fraction form
    25,954.97/38,913.99 = 12,430.65/x
  3. Step 3: Cross multiply
    25,954.97x = 38,913.99 × 12,430.65
  4. Step 4: Simplify right side
    25,954.97x = 483,726,175.10
  5. Step 5: Solve for x
    x = 483,726,175.10/25,954.97
  6. Step 6: Final answer
    x = 18,637.13

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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.