Home / 26,188.50-36,140.13-15,010.50

Finding the Fourth Proportional to 26,188.50, 36,140.13 and 15,010.50

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Solution

The fourth proportional to 26,188.50, 36,140.13 and 15,010.50 is: 20,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.50 : 36,140.13 = 15,010.50 : x
  2. Step 2: Convert to fraction form
    26,188.50/36,140.13 = 15,010.50/x
  3. Step 3: Cross multiply
    26,188.50x = 36,140.13 × 15,010.50
  4. Step 4: Simplify right side
    26,188.50x = 542,481,421.37
  5. Step 5: Solve for x
    x = 542,481,421.37/26,188.50
  6. Step 6: Final answer
    x = 20,714.49

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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.