Home / 28,859.61-43,295.91-10,140.94

Finding the Fourth Proportional to 28,859.61, 43,295.91 and 10,140.94

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Solution

The fourth proportional to 28,859.61, 43,295.91 and 10,140.94 is: 15,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.61 : 43,295.91 = 10,140.94 : x
  2. Step 2: Convert to fraction form
    28,859.61/43,295.91 = 10,140.94/x
  3. Step 3: Cross multiply
    28,859.61x = 43,295.91 × 10,140.94
  4. Step 4: Simplify right side
    28,859.61x = 439,061,225.56
  5. Step 5: Solve for x
    x = 439,061,225.56/28,859.61
  6. Step 6: Final answer
    x = 15,213.69

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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.