Home / 28,002.05-42,003.08-24,200.45

Finding the Fourth Proportional to 28,002.05, 42,003.08 and 24,200.45

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Solution

The fourth proportional to 28,002.05, 42,003.08 and 24,200.45 is: 36,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.05 : 42,003.08 = 24,200.45 : x
  2. Step 2: Convert to fraction form
    28,002.05/42,003.08 = 24,200.45/x
  3. Step 3: Cross multiply
    28,002.05x = 42,003.08 × 24,200.45
  4. Step 4: Simplify right side
    28,002.05x = 1,016,493,316.38
  5. Step 5: Solve for x
    x = 1,016,493,316.38/28,002.05
  6. Step 6: Final answer
    x = 36,300.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.