Home / 26,968.70-37,216.80-15,031.78

Finding the Fourth Proportional to 26,968.70, 37,216.80 and 15,031.78

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Solution

The fourth proportional to 26,968.70, 37,216.80 and 15,031.78 is: 20,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,968.70 : 37,216.80 = 15,031.78 : x
  2. Step 2: Convert to fraction form
    26,968.70/37,216.80 = 15,031.78/x
  3. Step 3: Cross multiply
    26,968.70x = 37,216.80 × 15,031.78
  4. Step 4: Simplify right side
    26,968.70x = 559,434,656.86
  5. Step 5: Solve for x
    x = 559,434,656.86/26,968.70
  6. Step 6: Final answer
    x = 20,743.85

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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.