Home / 23,488.20-35,318.70-19,686.60

Finding the Fourth Proportional to 23,488.20, 35,318.70 and 19,686.60

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Solution

The fourth proportional to 23,488.20, 35,318.70 and 19,686.60 is: 29,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,488.20 : 35,318.70 = 19,686.60 : x
  2. Step 2: Convert to fraction form
    23,488.20/35,318.70 = 19,686.60/x
  3. Step 3: Cross multiply
    23,488.20x = 35,318.70 × 19,686.60
  4. Step 4: Simplify right side
    23,488.20x = 695,305,119.42
  5. Step 5: Solve for x
    x = 695,305,119.42/23,488.20
  6. Step 6: Final answer
    x = 29,602.32

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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.