Home / 19,585.31-29,432.18-19,110.54

Finding the Fourth Proportional to 19,585.31, 29,432.18 and 19,110.54

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Solution

The fourth proportional to 19,585.31, 29,432.18 and 19,110.54 is: 28,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.31 : 29,432.18 = 19,110.54 : x
  2. Step 2: Convert to fraction form
    19,585.31/29,432.18 = 19,110.54/x
  3. Step 3: Cross multiply
    19,585.31x = 29,432.18 × 19,110.54
  4. Step 4: Simplify right side
    19,585.31x = 562,464,757.62
  5. Step 5: Solve for x
    x = 562,464,757.62/19,585.31
  6. Step 6: Final answer
    x = 28,718.71

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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.