Home / 19,539.62-29,278.70-15,108.11

Finding the Fourth Proportional to 19,539.62, 29,278.70 and 15,108.11

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Solution

The fourth proportional to 19,539.62, 29,278.70 and 15,108.11 is: 22,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.62 : 29,278.70 = 15,108.11 : x
  2. Step 2: Convert to fraction form
    19,539.62/29,278.70 = 15,108.11/x
  3. Step 3: Cross multiply
    19,539.62x = 29,278.70 × 15,108.11
  4. Step 4: Simplify right side
    19,539.62x = 442,345,744.72
  5. Step 5: Solve for x
    x = 442,345,744.72/19,539.62
  6. Step 6: Final answer
    x = 22,638.40

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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.