Home / 27,293.08-40,885.44-21,031.36

Finding the Fourth Proportional to 27,293.08, 40,885.44 and 21,031.36

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Solution

The fourth proportional to 27,293.08, 40,885.44 and 21,031.36 is: 31,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,293.08 : 40,885.44 = 21,031.36 : x
  2. Step 2: Convert to fraction form
    27,293.08/40,885.44 = 21,031.36/x
  3. Step 3: Cross multiply
    27,293.08x = 40,885.44 × 21,031.36
  4. Step 4: Simplify right side
    27,293.08x = 859,876,407.40
  5. Step 5: Solve for x
    x = 859,876,407.40/27,293.08
  6. Step 6: Final answer
    x = 31,505.29

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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.