Home / 28,302.45-39,057.84-16,202.89

Finding the Fourth Proportional to 28,302.45, 39,057.84 and 16,202.89

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Solution

The fourth proportional to 28,302.45, 39,057.84 and 16,202.89 is: 22,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.45 : 39,057.84 = 16,202.89 : x
  2. Step 2: Convert to fraction form
    28,302.45/39,057.84 = 16,202.89/x
  3. Step 3: Cross multiply
    28,302.45x = 39,057.84 × 16,202.89
  4. Step 4: Simplify right side
    28,302.45x = 632,849,737.06
  5. Step 5: Solve for x
    x = 632,849,737.06/28,302.45
  6. Step 6: Final answer
    x = 22,360.25

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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.