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Finding the Fourth Proportional to 24,987.40, 37,481.10 and 14,619.40

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Solution

The fourth proportional to 24,987.40, 37,481.10 and 14,619.40 is: 21,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,987.40 : 37,481.10 = 14,619.40 : x
  2. Step 2: Convert to fraction form
    24,987.40/37,481.10 = 14,619.40/x
  3. Step 3: Cross multiply
    24,987.40x = 37,481.10 × 14,619.40
  4. Step 4: Simplify right side
    24,987.40x = 547,951,193.34
  5. Step 5: Solve for x
    x = 547,951,193.34/24,987.40
  6. Step 6: Final answer
    x = 21,929.10

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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.