Home / 27,218.56-37,560.64-15,281.92

Finding the Fourth Proportional to 27,218.56, 37,560.64 and 15,281.92

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Solution

The fourth proportional to 27,218.56, 37,560.64 and 15,281.92 is: 21,088.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.56 : 37,560.64 = 15,281.92 : x
  2. Step 2: Convert to fraction form
    27,218.56/37,560.64 = 15,281.92/x
  3. Step 3: Cross multiply
    27,218.56x = 37,560.64 × 15,281.92
  4. Step 4: Simplify right side
    27,218.56x = 573,998,695.63
  5. Step 5: Solve for x
    x = 573,998,695.63/27,218.56
  6. Step 6: Final answer
    x = 21,088.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.