Home / 25,440.50-38,154.51-19,880.04

Finding the Fourth Proportional to 25,440.50, 38,154.51 and 19,880.04

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Solution

The fourth proportional to 25,440.50, 38,154.51 and 19,880.04 is: 29,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.50 : 38,154.51 = 19,880.04 : x
  2. Step 2: Convert to fraction form
    25,440.50/38,154.51 = 19,880.04/x
  3. Step 3: Cross multiply
    25,440.50x = 38,154.51 × 19,880.04
  4. Step 4: Simplify right side
    25,440.50x = 758,513,184.98
  5. Step 5: Solve for x
    x = 758,513,184.98/25,440.50
  6. Step 6: Final answer
    x = 29,815.19

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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.