Home / 26,429.10-39,643.65-19,085.10

Finding the Fourth Proportional to 26,429.10, 39,643.65 and 19,085.10

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Solution

The fourth proportional to 26,429.10, 39,643.65 and 19,085.10 is: 28,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.10 : 39,643.65 = 19,085.10 : x
  2. Step 2: Convert to fraction form
    26,429.10/39,643.65 = 19,085.10/x
  3. Step 3: Cross multiply
    26,429.10x = 39,643.65 × 19,085.10
  4. Step 4: Simplify right side
    26,429.10x = 756,603,024.62
  5. Step 5: Solve for x
    x = 756,603,024.62/26,429.10
  6. Step 6: Final answer
    x = 28,627.65

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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.