Home / 19,908.32-27,476.01-12,855.24

Finding the Fourth Proportional to 19,908.32, 27,476.01 and 12,855.24

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Solution

The fourth proportional to 19,908.32, 27,476.01 and 12,855.24 is: 17,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.32 : 27,476.01 = 12,855.24 : x
  2. Step 2: Convert to fraction form
    19,908.32/27,476.01 = 12,855.24/x
  3. Step 3: Cross multiply
    19,908.32x = 27,476.01 × 12,855.24
  4. Step 4: Simplify right side
    19,908.32x = 353,210,702.79
  5. Step 5: Solve for x
    x = 353,210,702.79/19,908.32
  6. Step 6: Final answer
    x = 17,741.87

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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.