Home / 25,359.28-38,039.50-7,829.12

Finding the Fourth Proportional to 25,359.28, 38,039.50 and 7,829.12

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Solution

The fourth proportional to 25,359.28, 38,039.50 and 7,829.12 is: 11,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.28 : 38,039.50 = 7,829.12 : x
  2. Step 2: Convert to fraction form
    25,359.28/38,039.50 = 7,829.12/x
  3. Step 3: Cross multiply
    25,359.28x = 38,039.50 × 7,829.12
  4. Step 4: Simplify right side
    25,359.28x = 297,815,810.24
  5. Step 5: Solve for x
    x = 297,815,810.24/25,359.28
  6. Step 6: Final answer
    x = 11,743.86

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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.