Home / 27,220.14-40,837.77-15,541.56

Finding the Fourth Proportional to 27,220.14, 40,837.77 and 15,541.56

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Solution

The fourth proportional to 27,220.14, 40,837.77 and 15,541.56 is: 23,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.14 : 40,837.77 = 15,541.56 : x
  2. Step 2: Convert to fraction form
    27,220.14/40,837.77 = 15,541.56/x
  3. Step 3: Cross multiply
    27,220.14x = 40,837.77 × 15,541.56
  4. Step 4: Simplify right side
    27,220.14x = 634,682,652.72
  5. Step 5: Solve for x
    x = 634,682,652.72/27,220.14
  6. Step 6: Final answer
    x = 23,316.66

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1.5x scale

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.