Home / 56,931.27-85,396.72-15,378.27

Finding the Fourth Proportional to 56,931.27, 85,396.72 and 15,378.27

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Solution

The fourth proportional to 56,931.27, 85,396.72 and 15,378.27 is: 23,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931.27 : 85,396.72 = 15,378.27 : x
  2. Step 2: Convert to fraction form
    56,931.27/85,396.72 = 15,378.27/x
  3. Step 3: Cross multiply
    56,931.27x = 85,396.72 × 15,378.27
  4. Step 4: Simplify right side
    56,931.27x = 1,313,253,817.27
  5. Step 5: Solve for x
    x = 1,313,253,817.27/56,931.27
  6. Step 6: Final answer
    x = 23,067.36

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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.