Home / 35,403.93-53,142.75-15,696.32

Finding the Fourth Proportional to 35,403.93, 53,142.75 and 15,696.32

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Solution

The fourth proportional to 35,403.93, 53,142.75 and 15,696.32 is: 23,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.93 : 53,142.75 = 15,696.32 : x
  2. Step 2: Convert to fraction form
    35,403.93/53,142.75 = 15,696.32/x
  3. Step 3: Cross multiply
    35,403.93x = 53,142.75 × 15,696.32
  4. Step 4: Simplify right side
    35,403.93x = 834,145,343.97
  5. Step 5: Solve for x
    x = 834,145,343.97/35,403.93
  6. Step 6: Final answer
    x = 23,560.81

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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.