Home / 25,107.60-37,661.40-10,306.80

Finding the Fourth Proportional to 25,107.60, 37,661.40 and 10,306.80

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Solution

The fourth proportional to 25,107.60, 37,661.40 and 10,306.80 is: 15,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.60 : 37,661.40 = 10,306.80 : x
  2. Step 2: Convert to fraction form
    25,107.60/37,661.40 = 10,306.80/x
  3. Step 3: Cross multiply
    25,107.60x = 37,661.40 × 10,306.80
  4. Step 4: Simplify right side
    25,107.60x = 388,168,517.52
  5. Step 5: Solve for x
    x = 388,168,517.52/25,107.60
  6. Step 6: Final answer
    x = 15,460.20

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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.