Home / 27,457.62-37,891.35-15,358.08

Finding the Fourth Proportional to 27,457.62, 37,891.35 and 15,358.08

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Solution

The fourth proportional to 27,457.62, 37,891.35 and 15,358.08 is: 21,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.62 : 37,891.35 = 15,358.08 : x
  2. Step 2: Convert to fraction form
    27,457.62/37,891.35 = 15,358.08/x
  3. Step 3: Cross multiply
    27,457.62x = 37,891.35 × 15,358.08
  4. Step 4: Simplify right side
    27,457.62x = 581,938,384.61
  5. Step 5: Solve for x
    x = 581,938,384.61/27,457.62
  6. Step 6: Final answer
    x = 21,194.06

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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.