Home / 34,355.60-51,562.20-15,664.40

Finding the Fourth Proportional to 34,355.60, 51,562.20 and 15,664.40

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Solution

The fourth proportional to 34,355.60, 51,562.20 and 15,664.40 is: 23,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,355.60 : 51,562.20 = 15,664.40 : x
  2. Step 2: Convert to fraction form
    34,355.60/51,562.20 = 15,664.40/x
  3. Step 3: Cross multiply
    34,355.60x = 51,562.20 × 15,664.40
  4. Step 4: Simplify right side
    34,355.60x = 807,690,925.68
  5. Step 5: Solve for x
    x = 807,690,925.68/34,355.60
  6. Step 6: Final answer
    x = 23,509.73

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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.