Home / 27,151.84-37,470.60-15,215.28

Finding the Fourth Proportional to 27,151.84, 37,470.60 and 15,215.28

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Solution

The fourth proportional to 27,151.84, 37,470.60 and 15,215.28 is: 20,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.84 : 37,470.60 = 15,215.28 : x
  2. Step 2: Convert to fraction form
    27,151.84/37,470.60 = 15,215.28/x
  3. Step 3: Cross multiply
    27,151.84x = 37,470.60 × 15,215.28
  4. Step 4: Simplify right side
    27,151.84x = 570,125,670.77
  5. Step 5: Solve for x
    x = 570,125,670.77/27,151.84
  6. Step 6: Final answer
    x = 20,997.68

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1.5x scale

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.