Home / 28,087.50-42,163.65-14,265.66

Finding the Fourth Proportional to 28,087.50, 42,163.65 and 14,265.66

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Solution

The fourth proportional to 28,087.50, 42,163.65 and 14,265.66 is: 21,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.50 : 42,163.65 = 14,265.66 : x
  2. Step 2: Convert to fraction form
    28,087.50/42,163.65 = 14,265.66/x
  3. Step 3: Cross multiply
    28,087.50x = 42,163.65 × 14,265.66
  4. Step 4: Simplify right side
    28,087.50x = 601,492,295.26
  5. Step 5: Solve for x
    x = 601,492,295.26/28,087.50
  6. Step 6: Final answer
    x = 21,414.95

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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.