Home / 28,429.68-39,285.09-27,064.02

Finding the Fourth Proportional to 28,429.68, 39,285.09 and 27,064.02

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Solution

The fourth proportional to 28,429.68, 39,285.09 and 27,064.02 is: 37,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429.68 : 39,285.09 = 27,064.02 : x
  2. Step 2: Convert to fraction form
    28,429.68/39,285.09 = 27,064.02/x
  3. Step 3: Cross multiply
    28,429.68x = 39,285.09 × 27,064.02
  4. Step 4: Simplify right side
    28,429.68x = 1,063,212,461.46
  5. Step 5: Solve for x
    x = 1,063,212,461.46/28,429.68
  6. Step 6: Final answer
    x = 37,397.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.