Home / 35,476.32-53,221.68-13,289.28

Finding the Fourth Proportional to 35,476.32, 53,221.68 and 13,289.28

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Solution

The fourth proportional to 35,476.32, 53,221.68 and 13,289.28 is: 19,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,476.32 : 53,221.68 = 13,289.28 : x
  2. Step 2: Convert to fraction form
    35,476.32/53,221.68 = 13,289.28/x
  3. Step 3: Cross multiply
    35,476.32x = 53,221.68 × 13,289.28
  4. Step 4: Simplify right side
    35,476.32x = 707,277,807.59
  5. Step 5: Solve for x
    x = 707,277,807.59/35,476.32
  6. Step 6: Final answer
    x = 19,936.62

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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.