Home / 19,725.03-27,219.48-10,772.40

Finding the Fourth Proportional to 19,725.03, 27,219.48 and 10,772.40

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Solution

The fourth proportional to 19,725.03, 27,219.48 and 10,772.40 is: 14,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.03 : 27,219.48 = 10,772.40 : x
  2. Step 2: Convert to fraction form
    19,725.03/27,219.48 = 10,772.40/x
  3. Step 3: Cross multiply
    19,725.03x = 27,219.48 × 10,772.40
  4. Step 4: Simplify right side
    19,725.03x = 293,219,126.35
  5. Step 5: Solve for x
    x = 293,219,126.35/19,725.03
  6. Step 6: Final answer
    x = 14,865.33

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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.