Home / 35,422.99-53,146.78-15,715.38

Finding the Fourth Proportional to 35,422.99, 53,146.78 and 15,715.38

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Solution

The fourth proportional to 35,422.99, 53,146.78 and 15,715.38 is: 23,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.99 : 53,146.78 = 15,715.38 : x
  2. Step 2: Convert to fraction form
    35,422.99/53,146.78 = 15,715.38/x
  3. Step 3: Cross multiply
    35,422.99x = 53,146.78 × 15,715.38
  4. Step 4: Simplify right side
    35,422.99x = 835,221,804.19
  5. Step 5: Solve for x
    x = 835,221,804.19/35,422.99
  6. Step 6: Final answer
    x = 23,578.53

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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.