Home / 25,154.78-34,712.89-13,824.27

Finding the Fourth Proportional to 25,154.78, 34,712.89 and 13,824.27

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Solution

The fourth proportional to 25,154.78, 34,712.89 and 13,824.27 is: 19,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,154.78 : 34,712.89 = 13,824.27 : x
  2. Step 2: Convert to fraction form
    25,154.78/34,712.89 = 13,824.27/x
  3. Step 3: Cross multiply
    25,154.78x = 34,712.89 × 13,824.27
  4. Step 4: Simplify right side
    25,154.78x = 479,880,387.60
  5. Step 5: Solve for x
    x = 479,880,387.60/25,154.78
  6. Step 6: Final answer
    x = 19,077.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.