Home / 27,219.89-40,837.40-15,541.31

Finding the Fourth Proportional to 27,219.89, 40,837.40 and 15,541.31

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Solution

The fourth proportional to 27,219.89, 40,837.40 and 15,541.31 is: 23,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.89 : 40,837.40 = 15,541.31 : x
  2. Step 2: Convert to fraction form
    27,219.89/40,837.40 = 15,541.31/x
  3. Step 3: Cross multiply
    27,219.89x = 40,837.40 × 15,541.31
  4. Step 4: Simplify right side
    27,219.89x = 634,666,692.99
  5. Step 5: Solve for x
    x = 634,666,692.99/27,219.89
  6. Step 6: Final answer
    x = 23,316.28

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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.