Home / 37,958.40-52,429.10-28,440.86

Finding the Fourth Proportional to 37,958.40, 52,429.10 and 28,440.86

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Solution

The fourth proportional to 37,958.40, 52,429.10 and 28,440.86 is: 39,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,958.40 : 52,429.10 = 28,440.86 : x
  2. Step 2: Convert to fraction form
    37,958.40/52,429.10 = 28,440.86/x
  3. Step 3: Cross multiply
    37,958.40x = 52,429.10 × 28,440.86
  4. Step 4: Simplify right side
    37,958.40x = 1,491,128,288.68
  5. Step 5: Solve for x
    x = 1,491,128,288.68/37,958.40
  6. Step 6: Final answer
    x = 39,283.22

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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.