Home / 25,298.64-37,949.58-12,809.88

Finding the Fourth Proportional to 25,298.64, 37,949.58 and 12,809.88

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Solution

The fourth proportional to 25,298.64, 37,949.58 and 12,809.88 is: 19,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,298.64 : 37,949.58 = 12,809.88 : x
  2. Step 2: Convert to fraction form
    25,298.64/37,949.58 = 12,809.88/x
  3. Step 3: Cross multiply
    25,298.64x = 37,949.58 × 12,809.88
  4. Step 4: Simplify right side
    25,298.64x = 486,129,565.85
  5. Step 5: Solve for x
    x = 486,129,565.85/25,298.64
  6. Step 6: Final answer
    x = 19,215.64

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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.