Home / 25,628.32-38,376-21,954.24

Finding the Fourth Proportional to 25,628.32, 38,376 and 21,954.24

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Solution

The fourth proportional to 25,628.32, 38,376 and 21,954.24 is: 32,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.32 : 38,376 = 21,954.24 : x
  2. Step 2: Convert to fraction form
    25,628.32/38,376 = 21,954.24/x
  3. Step 3: Cross multiply
    25,628.32x = 38,376 × 21,954.24
  4. Step 4: Simplify right side
    25,628.32x = 842,515,914.24
  5. Step 5: Solve for x
    x = 842,515,914.24/25,628.32
  6. Step 6: Final answer
    x = 32,874.41

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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.