Home / 38,027.80-52,476.24-21,031.08

Finding the Fourth Proportional to 38,027.80, 52,476.24 and 21,031.08

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Solution

The fourth proportional to 38,027.80, 52,476.24 and 21,031.08 is: 29,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,027.80 : 52,476.24 = 21,031.08 : x
  2. Step 2: Convert to fraction form
    38,027.80/52,476.24 = 21,031.08/x
  3. Step 3: Cross multiply
    38,027.80x = 52,476.24 × 21,031.08
  4. Step 4: Simplify right side
    38,027.80x = 1,103,632,001.54
  5. Step 5: Solve for x
    x = 1,103,632,001.54/38,027.80
  6. Step 6: Final answer
    x = 29,021.72

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Half scale
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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.