Home / 25,477.39-38,215.72-17,949.84

Finding the Fourth Proportional to 25,477.39, 38,215.72 and 17,949.84

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Solution

The fourth proportional to 25,477.39, 38,215.72 and 17,949.84 is: 26,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,477.39 : 38,215.72 = 17,949.84 : x
  2. Step 2: Convert to fraction form
    25,477.39/38,215.72 = 17,949.84/x
  3. Step 3: Cross multiply
    25,477.39x = 38,215.72 × 17,949.84
  4. Step 4: Simplify right side
    25,477.39x = 685,966,059.48
  5. Step 5: Solve for x
    x = 685,966,059.48/25,477.39
  6. Step 6: Final answer
    x = 26,924.50

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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.