Home / 28,729.91-43,130.12-22,529.36

Finding the Fourth Proportional to 28,729.91, 43,130.12 and 22,529.36

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Solution

The fourth proportional to 28,729.91, 43,130.12 and 22,529.36 is: 33,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.91 : 43,130.12 = 22,529.36 : x
  2. Step 2: Convert to fraction form
    28,729.91/43,130.12 = 22,529.36/x
  3. Step 3: Cross multiply
    28,729.91x = 43,130.12 × 22,529.36
  4. Step 4: Simplify right side
    28,729.91x = 971,693,995.50
  5. Step 5: Solve for x
    x = 971,693,995.50/28,729.91
  6. Step 6: Final answer
    x = 33,821.68

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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.