Home / 27,685.53-41,465.88-12,863.25

Finding the Fourth Proportional to 27,685.53, 41,465.88 and 12,863.25

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Solution

The fourth proportional to 27,685.53, 41,465.88 and 12,863.25 is: 19,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.53 : 41,465.88 = 12,863.25 : x
  2. Step 2: Convert to fraction form
    27,685.53/41,465.88 = 12,863.25/x
  3. Step 3: Cross multiply
    27,685.53x = 41,465.88 × 12,863.25
  4. Step 4: Simplify right side
    27,685.53x = 533,385,980.91
  5. Step 5: Solve for x
    x = 533,385,980.91/27,685.53
  6. Step 6: Final answer
    x = 19,265.88

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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.