Home / 28,381.38-39,165.85-16,444.43

Finding the Fourth Proportional to 28,381.38, 39,165.85 and 16,444.43

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Solution

The fourth proportional to 28,381.38, 39,165.85 and 16,444.43 is: 22,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381.38 : 39,165.85 = 16,444.43 : x
  2. Step 2: Convert to fraction form
    28,381.38/39,165.85 = 16,444.43/x
  3. Step 3: Cross multiply
    28,381.38x = 39,165.85 × 16,444.43
  4. Step 4: Simplify right side
    28,381.38x = 644,060,078.72
  5. Step 5: Solve for x
    x = 644,060,078.72/28,381.38
  6. Step 6: Final answer
    x = 22,693.05

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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.