Home / 28,461.33-39,277.20-16,520.31

Finding the Fourth Proportional to 28,461.33, 39,277.20 and 16,520.31

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Solution

The fourth proportional to 28,461.33, 39,277.20 and 16,520.31 is: 22,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.33 : 39,277.20 = 16,520.31 : x
  2. Step 2: Convert to fraction form
    28,461.33/39,277.20 = 16,520.31/x
  3. Step 3: Cross multiply
    28,461.33x = 39,277.20 × 16,520.31
  4. Step 4: Simplify right side
    28,461.33x = 648,871,519.93
  5. Step 5: Solve for x
    x = 648,871,519.93/28,461.33
  6. Step 6: Final answer
    x = 22,798.36

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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.