Home / 25,429.60-38,144.04-9,836.20

Finding the Fourth Proportional to 25,429.60, 38,144.04 and 9,836.20

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Solution

The fourth proportional to 25,429.60, 38,144.04 and 9,836.20 is: 14,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.60 : 38,144.04 = 9,836.20 : x
  2. Step 2: Convert to fraction form
    25,429.60/38,144.04 = 9,836.20/x
  3. Step 3: Cross multiply
    25,429.60x = 38,144.04 × 9,836.20
  4. Step 4: Simplify right side
    25,429.60x = 375,192,406.25
  5. Step 5: Solve for x
    x = 375,192,406.25/25,429.60
  6. Step 6: Final answer
    x = 14,754.16

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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.