Home / 27,809.46-38,342.61-18,363.06

Finding the Fourth Proportional to 27,809.46, 38,342.61 and 18,363.06

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Solution

The fourth proportional to 27,809.46, 38,342.61 and 18,363.06 is: 25,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.46 : 38,342.61 = 18,363.06 : x
  2. Step 2: Convert to fraction form
    27,809.46/38,342.61 = 18,363.06/x
  3. Step 3: Cross multiply
    27,809.46x = 38,342.61 × 18,363.06
  4. Step 4: Simplify right side
    27,809.46x = 704,087,647.99
  5. Step 5: Solve for x
    x = 704,087,647.99/27,809.46
  6. Step 6: Final answer
    x = 25,318.28

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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.