Home / 28,341.88-39,113.62-15,766.62

Finding the Fourth Proportional to 28,341.88, 39,113.62 and 15,766.62

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Solution

The fourth proportional to 28,341.88, 39,113.62 and 15,766.62 is: 21,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.88 : 39,113.62 = 15,766.62 : x
  2. Step 2: Convert to fraction form
    28,341.88/39,113.62 = 15,766.62/x
  3. Step 3: Cross multiply
    28,341.88x = 39,113.62 × 15,766.62
  4. Step 4: Simplify right side
    28,341.88x = 616,689,583.36
  5. Step 5: Solve for x
    x = 616,689,583.36/28,341.88
  6. Step 6: Final answer
    x = 21,758.95

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1.5x scale

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.