Home / 38,400.30-57,611.52-27,880.74

Finding the Fourth Proportional to 38,400.30, 57,611.52 and 27,880.74

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Solution

The fourth proportional to 38,400.30, 57,611.52 and 27,880.74 is: 41,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.30 : 57,611.52 = 27,880.74 : x
  2. Step 2: Convert to fraction form
    38,400.30/57,611.52 = 27,880.74/x
  3. Step 3: Cross multiply
    38,400.30x = 57,611.52 × 27,880.74
  4. Step 4: Simplify right side
    38,400.30x = 1,606,251,810.12
  5. Step 5: Solve for x
    x = 1,606,251,810.12/38,400.30
  6. Step 6: Final answer
    x = 41,829.15

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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.