Home / 19,765.89-29,671.92-15,608.70

Finding the Fourth Proportional to 19,765.89, 29,671.92 and 15,608.70

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Solution

The fourth proportional to 19,765.89, 29,671.92 and 15,608.70 is: 23,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.89 : 29,671.92 = 15,608.70 : x
  2. Step 2: Convert to fraction form
    19,765.89/29,671.92 = 15,608.70/x
  3. Step 3: Cross multiply
    19,765.89x = 29,671.92 × 15,608.70
  4. Step 4: Simplify right side
    19,765.89x = 463,140,097.70
  5. Step 5: Solve for x
    x = 463,140,097.70/19,765.89
  6. Step 6: Final answer
    x = 23,431.28

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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.