Home / 17,437.30-26,155.71-4,289.78

Finding the Fourth Proportional to 17,437.30, 26,155.71 and 4,289.78

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Solution

The fourth proportional to 17,437.30, 26,155.71 and 4,289.78 is: 6,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,437.30 : 26,155.71 = 4,289.78 : x
  2. Step 2: Convert to fraction form
    17,437.30/26,155.71 = 4,289.78/x
  3. Step 3: Cross multiply
    17,437.30x = 26,155.71 × 4,289.78
  4. Step 4: Simplify right side
    17,437.30x = 112,202,220.19
  5. Step 5: Solve for x
    x = 112,202,220.19/17,437.30
  6. Step 6: Final answer
    x = 6,434.61

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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.