Home / 28,068.75-42,103.32-19,277.01

Finding the Fourth Proportional to 28,068.75, 42,103.32 and 19,277.01

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Solution

The fourth proportional to 28,068.75, 42,103.32 and 19,277.01 is: 28,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.75 : 42,103.32 = 19,277.01 : x
  2. Step 2: Convert to fraction form
    28,068.75/42,103.32 = 19,277.01/x
  3. Step 3: Cross multiply
    28,068.75x = 42,103.32 × 19,277.01
  4. Step 4: Simplify right side
    28,068.75x = 811,626,120.67
  5. Step 5: Solve for x
    x = 811,626,120.67/28,068.75
  6. Step 6: Final answer
    x = 28,915.65

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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.