Home / 25,746.04-38,619.74-8,215.85

Finding the Fourth Proportional to 25,746.04, 38,619.74 and 8,215.85

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Solution

The fourth proportional to 25,746.04, 38,619.74 and 8,215.85 is: 12,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,746.04 : 38,619.74 = 8,215.85 : x
  2. Step 2: Convert to fraction form
    25,746.04/38,619.74 = 8,215.85/x
  3. Step 3: Cross multiply
    25,746.04x = 38,619.74 × 8,215.85
  4. Step 4: Simplify right side
    25,746.04x = 317,293,990.88
  5. Step 5: Solve for x
    x = 317,293,990.88/25,746.04
  6. Step 6: Final answer
    x = 12,323.99

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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.