Home / 25,153.29-34,709.79-15,076.71

Finding the Fourth Proportional to 25,153.29, 34,709.79 and 15,076.71

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Solution

The fourth proportional to 25,153.29, 34,709.79 and 15,076.71 is: 20,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.29 : 34,709.79 = 15,076.71 : x
  2. Step 2: Convert to fraction form
    25,153.29/34,709.79 = 15,076.71/x
  3. Step 3: Cross multiply
    25,153.29x = 34,709.79 × 15,076.71
  4. Step 4: Simplify right side
    25,153.29x = 523,309,437.99
  5. Step 5: Solve for x
    x = 523,309,437.99/25,153.29
  6. Step 6: Final answer
    x = 20,804.81

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1.5x scale

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.