Home / 28,627.73-42,941.89-7,851.23

Finding the Fourth Proportional to 28,627.73, 42,941.89 and 7,851.23

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Solution

The fourth proportional to 28,627.73, 42,941.89 and 7,851.23 is: 11,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,627.73 : 42,941.89 = 7,851.23 : x
  2. Step 2: Convert to fraction form
    28,627.73/42,941.89 = 7,851.23/x
  3. Step 3: Cross multiply
    28,627.73x = 42,941.89 × 7,851.23
  4. Step 4: Simplify right side
    28,627.73x = 337,146,420.69
  5. Step 5: Solve for x
    x = 337,146,420.69/28,627.73
  6. Step 6: Final answer
    x = 11,776.92

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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.