Home / 28,263.73-42,340.17-16,392.57

Finding the Fourth Proportional to 28,263.73, 42,340.17 and 16,392.57

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Solution

The fourth proportional to 28,263.73, 42,340.17 and 16,392.57 is: 24,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.73 : 42,340.17 = 16,392.57 : x
  2. Step 2: Convert to fraction form
    28,263.73/42,340.17 = 16,392.57/x
  3. Step 3: Cross multiply
    28,263.73x = 42,340.17 × 16,392.57
  4. Step 4: Simplify right side
    28,263.73x = 694,064,122.20
  5. Step 5: Solve for x
    x = 694,064,122.20/28,263.73
  6. Step 6: Final answer
    x = 24,556.70

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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.