Home / 25,429.48-38,154.75-13,728.94

Finding the Fourth Proportional to 25,429.48, 38,154.75 and 13,728.94

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Solution

The fourth proportional to 25,429.48, 38,154.75 and 13,728.94 is: 20,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.48 : 38,154.75 = 13,728.94 : x
  2. Step 2: Convert to fraction form
    25,429.48/38,154.75 = 13,728.94/x
  3. Step 3: Cross multiply
    25,429.48x = 38,154.75 × 13,728.94
  4. Step 4: Simplify right side
    25,429.48x = 523,824,273.47
  5. Step 5: Solve for x
    x = 523,824,273.47/25,429.48
  6. Step 6: Final answer
    x = 20,599.09

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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.