Home / 56,919.85-85,364.90-16,928.07

Finding the Fourth Proportional to 56,919.85, 85,364.90 and 16,928.07

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Solution

The fourth proportional to 56,919.85, 85,364.90 and 16,928.07 is: 25,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,919.85 : 85,364.90 = 16,928.07 : x
  2. Step 2: Convert to fraction form
    56,919.85/85,364.90 = 16,928.07/x
  3. Step 3: Cross multiply
    56,919.85x = 85,364.90 × 16,928.07
  4. Step 4: Simplify right side
    56,919.85x = 1,445,062,491.28
  5. Step 5: Solve for x
    x = 1,445,062,491.28/56,919.85
  6. Step 6: Final answer
    x = 25,387.67

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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.