Home / 26,391.18-36,419.88-14,291.79

Finding the Fourth Proportional to 26,391.18, 36,419.88 and 14,291.79

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Solution

The fourth proportional to 26,391.18, 36,419.88 and 14,291.79 is: 19,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.18 : 36,419.88 = 14,291.79 : x
  2. Step 2: Convert to fraction form
    26,391.18/36,419.88 = 14,291.79/x
  3. Step 3: Cross multiply
    26,391.18x = 36,419.88 × 14,291.79
  4. Step 4: Simplify right side
    26,391.18x = 520,505,276.79
  5. Step 5: Solve for x
    x = 520,505,276.79/26,391.18
  6. Step 6: Final answer
    x = 19,722.70

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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.