Home / 26,986.50-37,244.61-15,808.50

Finding the Fourth Proportional to 26,986.50, 37,244.61 and 15,808.50

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Solution

The fourth proportional to 26,986.50, 37,244.61 and 15,808.50 is: 21,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.50 : 37,244.61 = 15,808.50 : x
  2. Step 2: Convert to fraction form
    26,986.50/37,244.61 = 15,808.50/x
  3. Step 3: Cross multiply
    26,986.50x = 37,244.61 × 15,808.50
  4. Step 4: Simplify right side
    26,986.50x = 588,781,417.19
  5. Step 5: Solve for x
    x = 588,781,417.19/26,986.50
  6. Step 6: Final answer
    x = 21,817.63

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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.