Home / 25,809.92-38,680.86-10,219.04

Finding the Fourth Proportional to 25,809.92, 38,680.86 and 10,219.04

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Solution

The fourth proportional to 25,809.92, 38,680.86 and 10,219.04 is: 15,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.92 : 38,680.86 = 10,219.04 : x
  2. Step 2: Convert to fraction form
    25,809.92/38,680.86 = 10,219.04/x
  3. Step 3: Cross multiply
    25,809.92x = 38,680.86 × 10,219.04
  4. Step 4: Simplify right side
    25,809.92x = 395,281,255.57
  5. Step 5: Solve for x
    x = 395,281,255.57/25,809.92
  6. Step 6: Final answer
    x = 15,315.09

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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.