Home / 28,919.14-43,349.16-16,412.75

Finding the Fourth Proportional to 28,919.14, 43,349.16 and 16,412.75

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Solution

The fourth proportional to 28,919.14, 43,349.16 and 16,412.75 is: 24,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,919.14 : 43,349.16 = 16,412.75 : x
  2. Step 2: Convert to fraction form
    28,919.14/43,349.16 = 16,412.75/x
  3. Step 3: Cross multiply
    28,919.14x = 43,349.16 × 16,412.75
  4. Step 4: Simplify right side
    28,919.14x = 711,478,925.79
  5. Step 5: Solve for x
    x = 711,478,925.79/28,919.14
  6. Step 6: Final answer
    x = 24,602.35

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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.