Home / 28,609.12-42,903.96-14,563.72

Finding the Fourth Proportional to 28,609.12, 42,903.96 and 14,563.72

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Solution

The fourth proportional to 28,609.12, 42,903.96 and 14,563.72 is: 21,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609.12 : 42,903.96 = 14,563.72 : x
  2. Step 2: Convert to fraction form
    28,609.12/42,903.96 = 14,563.72/x
  3. Step 3: Cross multiply
    28,609.12x = 42,903.96 × 14,563.72
  4. Step 4: Simplify right side
    28,609.12x = 624,841,260.33
  5. Step 5: Solve for x
    x = 624,841,260.33/28,609.12
  6. Step 6: Final answer
    x = 21,840.63

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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.