Home / 19,539.60-29,254.20-15,207.60

Finding the Fourth Proportional to 19,539.60, 29,254.20 and 15,207.60

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Solution

The fourth proportional to 19,539.60, 29,254.20 and 15,207.60 is: 22,768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.60 : 29,254.20 = 15,207.60 : x
  2. Step 2: Convert to fraction form
    19,539.60/29,254.20 = 15,207.60/x
  3. Step 3: Cross multiply
    19,539.60x = 29,254.20 × 15,207.60
  4. Step 4: Simplify right side
    19,539.60x = 444,886,171.92
  5. Step 5: Solve for x
    x = 444,886,171.92/19,539.60
  6. Step 6: Final answer
    x = 22,768.44

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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.