Home / 28,690.47-43,024.77-11,158.02

Finding the Fourth Proportional to 28,690.47, 43,024.77 and 11,158.02

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Solution

The fourth proportional to 28,690.47, 43,024.77 and 11,158.02 is: 16,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690.47 : 43,024.77 = 11,158.02 : x
  2. Step 2: Convert to fraction form
    28,690.47/43,024.77 = 11,158.02/x
  3. Step 3: Cross multiply
    28,690.47x = 43,024.77 × 11,158.02
  4. Step 4: Simplify right side
    28,690.47x = 480,071,244.16
  5. Step 5: Solve for x
    x = 480,071,244.16/28,690.47
  6. Step 6: Final answer
    x = 16,732.78

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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.