Home / 10,427.35-15,641.29-3,031.88

Finding the Fourth Proportional to 10,427.35, 15,641.29 and 3,031.88

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Solution

The fourth proportional to 10,427.35, 15,641.29 and 3,031.88 is: 4,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.35 : 15,641.29 = 3,031.88 : x
  2. Step 2: Convert to fraction form
    10,427.35/15,641.29 = 3,031.88/x
  3. Step 3: Cross multiply
    10,427.35x = 15,641.29 × 3,031.88
  4. Step 4: Simplify right side
    10,427.35x = 47,422,514.33
  5. Step 5: Solve for x
    x = 47,422,514.33/10,427.35
  6. Step 6: Final answer
    x = 4,547.90

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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.