Home / 28,864.34-43,302.99-10,145.66

Finding the Fourth Proportional to 28,864.34, 43,302.99 and 10,145.66

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Solution

The fourth proportional to 28,864.34, 43,302.99 and 10,145.66 is: 15,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.34 : 43,302.99 = 10,145.66 : x
  2. Step 2: Convert to fraction form
    28,864.34/43,302.99 = 10,145.66/x
  3. Step 3: Cross multiply
    28,864.34x = 43,302.99 × 10,145.66
  4. Step 4: Simplify right side
    28,864.34x = 439,337,413.52
  5. Step 5: Solve for x
    x = 439,337,413.52/28,864.34
  6. Step 6: Final answer
    x = 15,220.77

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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.