Home / 25,451.28-38,188.26-9,870.12

Finding the Fourth Proportional to 25,451.28, 38,188.26 and 9,870.12

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Solution

The fourth proportional to 25,451.28, 38,188.26 and 9,870.12 is: 14,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.28 : 38,188.26 = 9,870.12 : x
  2. Step 2: Convert to fraction form
    25,451.28/38,188.26 = 9,870.12/x
  3. Step 3: Cross multiply
    25,451.28x = 38,188.26 × 9,870.12
  4. Step 4: Simplify right side
    25,451.28x = 376,922,708.79
  5. Step 5: Solve for x
    x = 376,922,708.79/25,451.28
  6. Step 6: Final answer
    x = 14,809.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.