Home / 52,878.29-79,315.14-17,817.80

Finding the Fourth Proportional to 52,878.29, 79,315.14 and 17,817.80

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Solution

The fourth proportional to 52,878.29, 79,315.14 and 17,817.80 is: 26,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,878.29 : 79,315.14 = 17,817.80 : x
  2. Step 2: Convert to fraction form
    52,878.29/79,315.14 = 17,817.80/x
  3. Step 3: Cross multiply
    52,878.29x = 79,315.14 × 17,817.80
  4. Step 4: Simplify right side
    52,878.29x = 1,413,221,301.49
  5. Step 5: Solve for x
    x = 1,413,221,301.49/52,878.29
  6. Step 6: Final answer
    x = 26,725.93

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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.