Home / 27,884.10-41,788.14-15,385.50

Finding the Fourth Proportional to 27,884.10, 41,788.14 and 15,385.50

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Solution

The fourth proportional to 27,884.10, 41,788.14 and 15,385.50 is: 23,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,884.10 : 41,788.14 = 15,385.50 : x
  2. Step 2: Convert to fraction form
    27,884.10/41,788.14 = 15,385.50/x
  3. Step 3: Cross multiply
    27,884.10x = 41,788.14 × 15,385.50
  4. Step 4: Simplify right side
    27,884.10x = 642,931,427.97
  5. Step 5: Solve for x
    x = 642,931,427.97/27,884.10
  6. Step 6: Final answer
    x = 23,057.28

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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.