Home / 19,479.85-29,217.62-5,628.85

Finding the Fourth Proportional to 19,479.85, 29,217.62 and 5,628.85

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Solution

The fourth proportional to 19,479.85, 29,217.62 and 5,628.85 is: 8,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.85 : 29,217.62 = 5,628.85 : x
  2. Step 2: Convert to fraction form
    19,479.85/29,217.62 = 5,628.85/x
  3. Step 3: Cross multiply
    19,479.85x = 29,217.62 × 5,628.85
  4. Step 4: Simplify right side
    19,479.85x = 164,461,572.19
  5. Step 5: Solve for x
    x = 164,461,572.19/19,479.85
  6. Step 6: Final answer
    x = 8,442.65

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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.