Home / 28,041.84-38,685.60-16,102.44

Finding the Fourth Proportional to 28,041.84, 38,685.60 and 16,102.44

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Solution

The fourth proportional to 28,041.84, 38,685.60 and 16,102.44 is: 22,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.84 : 38,685.60 = 16,102.44 : x
  2. Step 2: Convert to fraction form
    28,041.84/38,685.60 = 16,102.44/x
  3. Step 3: Cross multiply
    28,041.84x = 38,685.60 × 16,102.44
  4. Step 4: Simplify right side
    28,041.84x = 622,932,552.86
  5. Step 5: Solve for x
    x = 622,932,552.86/28,041.84
  6. Step 6: Final answer
    x = 22,214.40

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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.