Home / 25,405.76-35,061.19-15,334.02

Finding the Fourth Proportional to 25,405.76, 35,061.19 and 15,334.02

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Solution

The fourth proportional to 25,405.76, 35,061.19 and 15,334.02 is: 21,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.76 : 35,061.19 = 15,334.02 : x
  2. Step 2: Convert to fraction form
    25,405.76/35,061.19 = 15,334.02/x
  3. Step 3: Cross multiply
    25,405.76x = 35,061.19 × 15,334.02
  4. Step 4: Simplify right side
    25,405.76x = 537,628,950.35
  5. Step 5: Solve for x
    x = 537,628,950.35/25,405.76
  6. Step 6: Final answer
    x = 21,161.69

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Why These Related Problems?

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