Home / 27,519.81-37,988.96-18,579.42

Finding the Fourth Proportional to 27,519.81, 37,988.96 and 18,579.42

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Solution

The fourth proportional to 27,519.81, 37,988.96 and 18,579.42 is: 25,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519.81 : 37,988.96 = 18,579.42 : x
  2. Step 2: Convert to fraction form
    27,519.81/37,988.96 = 18,579.42/x
  3. Step 3: Cross multiply
    27,519.81x = 37,988.96 × 18,579.42
  4. Step 4: Simplify right side
    27,519.81x = 705,812,795.45
  5. Step 5: Solve for x
    x = 705,812,795.45/27,519.81
  6. Step 6: Final answer
    x = 25,647.45

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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.