Home / 28,724.76-43,100.10-14,676.12

Finding the Fourth Proportional to 28,724.76, 43,100.10 and 14,676.12

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Solution

The fourth proportional to 28,724.76, 43,100.10 and 14,676.12 is: 22,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.76 : 43,100.10 = 14,676.12 : x
  2. Step 2: Convert to fraction form
    28,724.76/43,100.10 = 14,676.12/x
  3. Step 3: Cross multiply
    28,724.76x = 43,100.10 × 14,676.12
  4. Step 4: Simplify right side
    28,724.76x = 632,542,239.61
  5. Step 5: Solve for x
    x = 632,542,239.61/28,724.76
  6. Step 6: Final answer
    x = 22,020.80

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1.5x scale

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.