Home / 25,450.56-35,117.28-15,376.32

Finding the Fourth Proportional to 25,450.56, 35,117.28 and 15,376.32

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Solution

The fourth proportional to 25,450.56, 35,117.28 and 15,376.32 is: 21,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.56 : 35,117.28 = 15,376.32 : x
  2. Step 2: Convert to fraction form
    25,450.56/35,117.28 = 15,376.32/x
  3. Step 3: Cross multiply
    25,450.56x = 35,117.28 × 15,376.32
  4. Step 4: Simplify right side
    25,450.56x = 539,974,534.81
  5. Step 5: Solve for x
    x = 539,974,534.81/25,450.56
  6. Step 6: Final answer
    x = 21,216.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.