Home / 76,033.32-114,056.36-28,015

Finding the Fourth Proportional to 76,033.32, 114,056.36 and 28,015

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Solution

The fourth proportional to 76,033.32, 114,056.36 and 28,015 is: 42,024.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,033.32 : 114,056.36 = 28,015 : x
  2. Step 2: Convert to fraction form
    76,033.32/114,056.36 = 28,015/x
  3. Step 3: Cross multiply
    76,033.32x = 114,056.36 × 28,015
  4. Step 4: Simplify right side
    76,033.32x = 3,195,288,925.40
  5. Step 5: Solve for x
    x = 3,195,288,925.40/76,033.32
  6. Step 6: Final answer
    x = 42,024.85

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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.