Home / 29,031.60-43,579.80-27,128.10

Finding the Fourth Proportional to 29,031.60, 43,579.80 and 27,128.10

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Solution

The fourth proportional to 29,031.60, 43,579.80 and 27,128.10 is: 40,722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,031.60 : 43,579.80 = 27,128.10 : x
  2. Step 2: Convert to fraction form
    29,031.60/43,579.80 = 27,128.10/x
  3. Step 3: Cross multiply
    29,031.60x = 43,579.80 × 27,128.10
  4. Step 4: Simplify right side
    29,031.60x = 1,182,237,172.38
  5. Step 5: Solve for x
    x = 1,182,237,172.38/29,031.60
  6. Step 6: Final answer
    x = 40,722.43

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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.