Home / 28,902.03-39,873.51-16,800.50

Finding the Fourth Proportional to 28,902.03, 39,873.51 and 16,800.50

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Solution

The fourth proportional to 28,902.03, 39,873.51 and 16,800.50 is: 23,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.03 : 39,873.51 = 16,800.50 : x
  2. Step 2: Convert to fraction form
    28,902.03/39,873.51 = 16,800.50/x
  3. Step 3: Cross multiply
    28,902.03x = 39,873.51 × 16,800.50
  4. Step 4: Simplify right side
    28,902.03x = 669,894,705.39
  5. Step 5: Solve for x
    x = 669,894,705.39/28,902.03
  6. Step 6: Final answer
    x = 23,178.12

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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.