Home / 27,363.60-37,762.04-15,425.88

Finding the Fourth Proportional to 27,363.60, 37,762.04 and 15,425.88

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Solution

The fourth proportional to 27,363.60, 37,762.04 and 15,425.88 is: 21,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,363.60 : 37,762.04 = 15,425.88 : x
  2. Step 2: Convert to fraction form
    27,363.60/37,762.04 = 15,425.88/x
  3. Step 3: Cross multiply
    27,363.60x = 37,762.04 × 15,425.88
  4. Step 4: Simplify right side
    27,363.60x = 582,512,697.60
  5. Step 5: Solve for x
    x = 582,512,697.60/27,363.60
  6. Step 6: Final answer
    x = 21,287.87

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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.