Home / 27,820.74-41,684.19-13,762.02

Finding the Fourth Proportional to 27,820.74, 41,684.19 and 13,762.02

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Solution

The fourth proportional to 27,820.74, 41,684.19 and 13,762.02 is: 20,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.74 : 41,684.19 = 13,762.02 : x
  2. Step 2: Convert to fraction form
    27,820.74/41,684.19 = 13,762.02/x
  3. Step 3: Cross multiply
    27,820.74x = 41,684.19 × 13,762.02
  4. Step 4: Simplify right side
    27,820.74x = 573,658,656.46
  5. Step 5: Solve for x
    x = 573,658,656.46/27,820.74
  6. Step 6: Final answer
    x = 20,619.82

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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.