Home / 35,721.64-53,584.62-10,421.92

Finding the Fourth Proportional to 35,721.64, 53,584.62 and 10,421.92

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Solution

The fourth proportional to 35,721.64, 53,584.62 and 10,421.92 is: 15,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.64 : 53,584.62 = 10,421.92 : x
  2. Step 2: Convert to fraction form
    35,721.64/53,584.62 = 10,421.92/x
  3. Step 3: Cross multiply
    35,721.64x = 53,584.62 × 10,421.92
  4. Step 4: Simplify right side
    35,721.64x = 558,454,622.87
  5. Step 5: Solve for x
    x = 558,454,622.87/35,721.64
  6. Step 6: Final answer
    x = 15,633.51

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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.