Home / 23,208.80-32,011.58-21,300.77

Finding the Fourth Proportional to 23,208.80, 32,011.58 and 21,300.77

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Solution

The fourth proportional to 23,208.80, 32,011.58 and 21,300.77 is: 29,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,208.80 : 32,011.58 = 21,300.77 : x
  2. Step 2: Convert to fraction form
    23,208.80/32,011.58 = 21,300.77/x
  3. Step 3: Cross multiply
    23,208.80x = 32,011.58 × 21,300.77
  4. Step 4: Simplify right side
    23,208.80x = 681,871,436.20
  5. Step 5: Solve for x
    x = 681,871,436.20/23,208.80
  6. Step 6: Final answer
    x = 29,379.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.