Home / 28,913.39-43,340.54-16,407

Finding the Fourth Proportional to 28,913.39, 43,340.54 and 16,407

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Solution

The fourth proportional to 28,913.39, 43,340.54 and 16,407 is: 24,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.39 : 43,340.54 = 16,407 : x
  2. Step 2: Convert to fraction form
    28,913.39/43,340.54 = 16,407/x
  3. Step 3: Cross multiply
    28,913.39x = 43,340.54 × 16,407
  4. Step 4: Simplify right side
    28,913.39x = 711,088,157.75
  5. Step 5: Solve for x
    x = 711,088,157.75/28,913.39
  6. Step 6: Final answer
    x = 24,593.74

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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.