Home / 37,918.85-56,834-28,528.71

Finding the Fourth Proportional to 37,918.85, 56,834 and 28,528.71

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Solution

The fourth proportional to 37,918.85, 56,834 and 28,528.71 is: 42,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,918.85 : 56,834 = 28,528.71 : x
  2. Step 2: Convert to fraction form
    37,918.85/56,834 = 28,528.71/x
  3. Step 3: Cross multiply
    37,918.85x = 56,834 × 28,528.71
  4. Step 4: Simplify right side
    37,918.85x = 1,621,400,704.14
  5. Step 5: Solve for x
    x = 1,621,400,704.14/37,918.85
  6. Step 6: Final answer
    x = 42,759.75

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1.5x scale

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.