Home / 28,262.67-42,407.73-11,627.70

Finding the Fourth Proportional to 28,262.67, 42,407.73 and 11,627.70

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Solution

The fourth proportional to 28,262.67, 42,407.73 and 11,627.70 is: 17,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.67 : 42,407.73 = 11,627.70 : x
  2. Step 2: Convert to fraction form
    28,262.67/42,407.73 = 11,627.70/x
  3. Step 3: Cross multiply
    28,262.67x = 42,407.73 × 11,627.70
  4. Step 4: Simplify right side
    28,262.67x = 493,104,362.12
  5. Step 5: Solve for x
    x = 493,104,362.12/28,262.67
  6. Step 6: Final answer
    x = 17,447.20

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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.