Home / 27,297.72-40,947.12-11,715.48

Finding the Fourth Proportional to 27,297.72, 40,947.12 and 11,715.48

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Solution

The fourth proportional to 27,297.72, 40,947.12 and 11,715.48 is: 17,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,297.72 : 40,947.12 = 11,715.48 : x
  2. Step 2: Convert to fraction form
    27,297.72/40,947.12 = 11,715.48/x
  3. Step 3: Cross multiply
    27,297.72x = 40,947.12 × 11,715.48
  4. Step 4: Simplify right side
    27,297.72x = 479,715,165.42
  5. Step 5: Solve for x
    x = 479,715,165.42/27,297.72
  6. Step 6: Final answer
    x = 17,573.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.