Home / 27,091.71-37,388.12-15,155.55

Finding the Fourth Proportional to 27,091.71, 37,388.12 and 15,155.55

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Solution

The fourth proportional to 27,091.71, 37,388.12 and 15,155.55 is: 20,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.71 : 37,388.12 = 15,155.55 : x
  2. Step 2: Convert to fraction form
    27,091.71/37,388.12 = 15,155.55/x
  3. Step 3: Cross multiply
    27,091.71x = 37,388.12 × 15,155.55
  4. Step 4: Simplify right side
    27,091.71x = 566,637,446.29
  5. Step 5: Solve for x
    x = 566,637,446.29/27,091.71
  6. Step 6: Final answer
    x = 20,915.53

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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.