Home / 26,335.10-39,406.65-19,423.10

Finding the Fourth Proportional to 26,335.10, 39,406.65 and 19,423.10

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Solution

The fourth proportional to 26,335.10, 39,406.65 and 19,423.10 is: 29,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,335.10 : 39,406.65 = 19,423.10 : x
  2. Step 2: Convert to fraction form
    26,335.10/39,406.65 = 19,423.10/x
  3. Step 3: Cross multiply
    26,335.10x = 39,406.65 × 19,423.10
  4. Step 4: Simplify right side
    26,335.10x = 765,399,303.62
  5. Step 5: Solve for x
    x = 765,399,303.62/26,335.10
  6. Step 6: Final answer
    x = 29,063.85

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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.