Home / 26,390.85-36,419.96-15,060.12

Finding the Fourth Proportional to 26,390.85, 36,419.96 and 15,060.12

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Solution

The fourth proportional to 26,390.85, 36,419.96 and 15,060.12 is: 20,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.85 : 36,419.96 = 15,060.12 : x
  2. Step 2: Convert to fraction form
    26,390.85/36,419.96 = 15,060.12/x
  3. Step 3: Cross multiply
    26,390.85x = 36,419.96 × 15,060.12
  4. Step 4: Simplify right side
    26,390.85x = 548,488,909.12
  5. Step 5: Solve for x
    x = 548,488,909.12/26,390.85
  6. Step 6: Final answer
    x = 20,783.30

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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.