Home / 28,903.03-39,874.89-16,801.50

Finding the Fourth Proportional to 28,903.03, 39,874.89 and 16,801.50

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Solution

The fourth proportional to 28,903.03, 39,874.89 and 16,801.50 is: 23,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.03 : 39,874.89 = 16,801.50 : x
  2. Step 2: Convert to fraction form
    28,903.03/39,874.89 = 16,801.50/x
  3. Step 3: Cross multiply
    28,903.03x = 39,874.89 × 16,801.50
  4. Step 4: Simplify right side
    28,903.03x = 669,957,964.34
  5. Step 5: Solve for x
    x = 669,957,964.34/28,903.03
  6. Step 6: Final answer
    x = 23,179.51

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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.