Home / 27,087.71-37,382.99-15,154.89

Finding the Fourth Proportional to 27,087.71, 37,382.99 and 15,154.89

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Solution

The fourth proportional to 27,087.71, 37,382.99 and 15,154.89 is: 20,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.71 : 37,382.99 = 15,154.89 : x
  2. Step 2: Convert to fraction form
    27,087.71/37,382.99 = 15,154.89/x
  3. Step 3: Cross multiply
    27,087.71x = 37,382.99 × 15,154.89
  4. Step 4: Simplify right side
    27,087.71x = 566,535,101.32
  5. Step 5: Solve for x
    x = 566,535,101.32/27,087.71
  6. Step 6: Final answer
    x = 20,914.84

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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.