Home / 28,353.95-39,127.87-17,749.43

Finding the Fourth Proportional to 28,353.95, 39,127.87 and 17,749.43

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Solution

The fourth proportional to 28,353.95, 39,127.87 and 17,749.43 is: 24,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353.95 : 39,127.87 = 17,749.43 : x
  2. Step 2: Convert to fraction form
    28,353.95/39,127.87 = 17,749.43/x
  3. Step 3: Cross multiply
    28,353.95x = 39,127.87 × 17,749.43
  4. Step 4: Simplify right side
    28,353.95x = 694,497,389.61
  5. Step 5: Solve for x
    x = 694,497,389.61/28,353.95
  6. Step 6: Final answer
    x = 24,493.85

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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.