Home / 29,328.18-43,981.26-12,686.94

Finding the Fourth Proportional to 29,328.18, 43,981.26 and 12,686.94

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Solution

The fourth proportional to 29,328.18, 43,981.26 and 12,686.94 is: 19,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,328.18 : 43,981.26 = 12,686.94 : x
  2. Step 2: Convert to fraction form
    29,328.18/43,981.26 = 12,686.94/x
  3. Step 3: Cross multiply
    29,328.18x = 43,981.26 × 12,686.94
  4. Step 4: Simplify right side
    29,328.18x = 557,987,606.74
  5. Step 5: Solve for x
    x = 557,987,606.74/29,328.18
  6. Step 6: Final answer
    x = 19,025.65

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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.