Home / 35,454.60-53,169.30-15,697.80

Finding the Fourth Proportional to 35,454.60, 53,169.30 and 15,697.80

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Solution

The fourth proportional to 35,454.60, 53,169.30 and 15,697.80 is: 23,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454.60 : 53,169.30 = 15,697.80 : x
  2. Step 2: Convert to fraction form
    35,454.60/53,169.30 = 15,697.80/x
  3. Step 3: Cross multiply
    35,454.60x = 53,169.30 × 15,697.80
  4. Step 4: Simplify right side
    35,454.60x = 834,641,037.54
  5. Step 5: Solve for x
    x = 834,641,037.54/35,454.60
  6. Step 6: Final answer
    x = 23,541.12

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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.