Home / 26,390.62-36,419.11-14,291.24

Finding the Fourth Proportional to 26,390.62, 36,419.11 and 14,291.24

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Solution

The fourth proportional to 26,390.62, 36,419.11 and 14,291.24 is: 19,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.62 : 36,419.11 = 14,291.24 : x
  2. Step 2: Convert to fraction form
    26,390.62/36,419.11 = 14,291.24/x
  3. Step 3: Cross multiply
    26,390.62x = 36,419.11 × 14,291.24
  4. Step 4: Simplify right side
    26,390.62x = 520,474,023.77
  5. Step 5: Solve for x
    x = 520,474,023.77/26,390.62
  6. Step 6: Final answer
    x = 19,721.93

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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.