Home / 28,919.93-39,896.90-16,962.50

Finding the Fourth Proportional to 28,919.93, 39,896.90 and 16,962.50

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Solution

The fourth proportional to 28,919.93, 39,896.90 and 16,962.50 is: 23,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,919.93 : 39,896.90 = 16,962.50 : x
  2. Step 2: Convert to fraction form
    28,919.93/39,896.90 = 16,962.50/x
  3. Step 3: Cross multiply
    28,919.93x = 39,896.90 × 16,962.50
  4. Step 4: Simplify right side
    28,919.93x = 676,750,881.95
  5. Step 5: Solve for x
    x = 676,750,881.95/28,919.93
  6. Step 6: Final answer
    x = 23,400.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.