Home / 35,815.36-53,746.36-13,628.92

Finding the Fourth Proportional to 35,815.36, 53,746.36 and 13,628.92

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Solution

The fourth proportional to 35,815.36, 53,746.36 and 13,628.92 is: 20,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.36 : 53,746.36 = 13,628.92 : x
  2. Step 2: Convert to fraction form
    35,815.36/53,746.36 = 13,628.92/x
  3. Step 3: Cross multiply
    35,815.36x = 53,746.36 × 13,628.92
  4. Step 4: Simplify right side
    35,815.36x = 732,504,840.73
  5. Step 5: Solve for x
    x = 732,504,840.73/35,815.36
  6. Step 6: Final answer
    x = 20,452.25

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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.