Home / 35,428.49-53,143.53-13,229.76

Finding the Fourth Proportional to 35,428.49, 53,143.53 and 13,229.76

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Solution

The fourth proportional to 35,428.49, 53,143.53 and 13,229.76 is: 19,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.49 : 53,143.53 = 13,229.76 : x
  2. Step 2: Convert to fraction form
    35,428.49/53,143.53 = 13,229.76/x
  3. Step 3: Cross multiply
    35,428.49x = 53,143.53 × 13,229.76
  4. Step 4: Simplify right side
    35,428.49x = 703,075,904.54
  5. Step 5: Solve for x
    x = 703,075,904.54/35,428.49
  6. Step 6: Final answer
    x = 19,844.93

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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.