Home / 25,870.68-38,829.06-12,027.48

Finding the Fourth Proportional to 25,870.68, 38,829.06 and 12,027.48

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Solution

The fourth proportional to 25,870.68, 38,829.06 and 12,027.48 is: 18,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,870.68 : 38,829.06 = 12,027.48 : x
  2. Step 2: Convert to fraction form
    25,870.68/38,829.06 = 12,027.48/x
  3. Step 3: Cross multiply
    25,870.68x = 38,829.06 × 12,027.48
  4. Step 4: Simplify right side
    25,870.68x = 467,015,742.57
  5. Step 5: Solve for x
    x = 467,015,742.57/25,870.68
  6. Step 6: Final answer
    x = 18,051.93

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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.