Home / 27,218.11-37,562.85-15,120.01

Finding the Fourth Proportional to 27,218.11, 37,562.85 and 15,120.01

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Solution

The fourth proportional to 27,218.11, 37,562.85 and 15,120.01 is: 20,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.11 : 37,562.85 = 15,120.01 : x
  2. Step 2: Convert to fraction form
    27,218.11/37,562.85 = 15,120.01/x
  3. Step 3: Cross multiply
    27,218.11x = 37,562.85 × 15,120.01
  4. Step 4: Simplify right side
    27,218.11x = 567,950,667.63
  5. Step 5: Solve for x
    x = 567,950,667.63/27,218.11
  6. Step 6: Final answer
    x = 20,866.65

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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.