Home / 25,485.04-38,195.16-13,808.08

Finding the Fourth Proportional to 25,485.04, 38,195.16 and 13,808.08

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Solution

The fourth proportional to 25,485.04, 38,195.16 and 13,808.08 is: 20,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.04 : 38,195.16 = 13,808.08 : x
  2. Step 2: Convert to fraction form
    25,485.04/38,195.16 = 13,808.08/x
  3. Step 3: Cross multiply
    25,485.04x = 38,195.16 × 13,808.08
  4. Step 4: Simplify right side
    25,485.04x = 527,401,824.89
  5. Step 5: Solve for x
    x = 527,401,824.89/25,485.04
  6. Step 6: Final answer
    x = 20,694.57

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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.