Home / 35,428.05-53,144.82-14,358.06

Finding the Fourth Proportional to 35,428.05, 53,144.82 and 14,358.06

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Solution

The fourth proportional to 35,428.05, 53,144.82 and 14,358.06 is: 21,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.05 : 53,144.82 = 14,358.06 : x
  2. Step 2: Convert to fraction form
    35,428.05/53,144.82 = 14,358.06/x
  3. Step 3: Cross multiply
    35,428.05x = 53,144.82 × 14,358.06
  4. Step 4: Simplify right side
    35,428.05x = 763,056,514.25
  5. Step 5: Solve for x
    x = 763,056,514.25/35,428.05
  6. Step 6: Final answer
    x = 21,538.20

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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.