Home / 57,869.29-86,817.71-18,426.34

Finding the Fourth Proportional to 57,869.29, 86,817.71 and 18,426.34

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Solution

The fourth proportional to 57,869.29, 86,817.71 and 18,426.34 is: 27,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,869.29 : 86,817.71 = 18,426.34 : x
  2. Step 2: Convert to fraction form
    57,869.29/86,817.71 = 18,426.34/x
  3. Step 3: Cross multiply
    57,869.29x = 86,817.71 × 18,426.34
  4. Step 4: Simplify right side
    57,869.29x = 1,599,732,642.48
  5. Step 5: Solve for x
    x = 1,599,732,642.48/57,869.29
  6. Step 6: Final answer
    x = 27,643.90

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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.