Home / 35,542.80-53,314.20-15,816.87

Finding the Fourth Proportional to 35,542.80, 53,314.20 and 15,816.87

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Solution

The fourth proportional to 35,542.80, 53,314.20 and 15,816.87 is: 23,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,542.80 : 53,314.20 = 15,816.87 : x
  2. Step 2: Convert to fraction form
    35,542.80/53,314.20 = 15,816.87/x
  3. Step 3: Cross multiply
    35,542.80x = 53,314.20 × 15,816.87
  4. Step 4: Simplify right side
    35,542.80x = 843,263,770.55
  5. Step 5: Solve for x
    x = 843,263,770.55/35,542.80
  6. Step 6: Final answer
    x = 23,725.31

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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.