Home / 25,816.29-38,719.83-16,428.45

Finding the Fourth Proportional to 25,816.29, 38,719.83 and 16,428.45

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Solution

The fourth proportional to 25,816.29, 38,719.83 and 16,428.45 is: 24,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.29 : 38,719.83 = 16,428.45 : x
  2. Step 2: Convert to fraction form
    25,816.29/38,719.83 = 16,428.45/x
  3. Step 3: Cross multiply
    25,816.29x = 38,719.83 × 16,428.45
  4. Step 4: Simplify right side
    25,816.29x = 636,106,791.16
  5. Step 5: Solve for x
    x = 636,106,791.16/25,816.29
  6. Step 6: Final answer
    x = 24,639.74

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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.