Home / 25,815.18-38,716.04-7,090.80

Finding the Fourth Proportional to 25,815.18, 38,716.04 and 7,090.80

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Solution

The fourth proportional to 25,815.18, 38,716.04 and 7,090.80 is: 10,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.18 : 38,716.04 = 7,090.80 : x
  2. Step 2: Convert to fraction form
    25,815.18/38,716.04 = 7,090.80/x
  3. Step 3: Cross multiply
    25,815.18x = 38,716.04 × 7,090.80
  4. Step 4: Simplify right side
    25,815.18x = 274,527,696.43
  5. Step 5: Solve for x
    x = 274,527,696.43/25,815.18
  6. Step 6: Final answer
    x = 10,634.35

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1.5x scale

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.