Home / 37,812.64-52,195.68-28,408.36

Finding the Fourth Proportional to 37,812.64, 52,195.68 and 28,408.36

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Solution

The fourth proportional to 37,812.64, 52,195.68 and 28,408.36 is: 39,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,812.64 : 52,195.68 = 28,408.36 : x
  2. Step 2: Convert to fraction form
    37,812.64/52,195.68 = 28,408.36/x
  3. Step 3: Cross multiply
    37,812.64x = 52,195.68 × 28,408.36
  4. Step 4: Simplify right side
    37,812.64x = 1,482,793,667.88
  5. Step 5: Solve for x
    x = 1,482,793,667.88/37,812.64
  6. Step 6: Final answer
    x = 39,214.23

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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.