Home / 28,862.47-43,255.43-14,821.93

Finding the Fourth Proportional to 28,862.47, 43,255.43 and 14,821.93

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Solution

The fourth proportional to 28,862.47, 43,255.43 and 14,821.93 is: 22,213.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.47 : 43,255.43 = 14,821.93 : x
  2. Step 2: Convert to fraction form
    28,862.47/43,255.43 = 14,821.93/x
  3. Step 3: Cross multiply
    28,862.47x = 43,255.43 × 14,821.93
  4. Step 4: Simplify right side
    28,862.47x = 641,128,665.19
  5. Step 5: Solve for x
    x = 641,128,665.19/28,862.47
  6. Step 6: Final answer
    x = 22,213.23

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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.