Home / 28,000.37-42,017.09-10,229.45

Finding the Fourth Proportional to 28,000.37, 42,017.09 and 10,229.45

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Solution

The fourth proportional to 28,000.37, 42,017.09 and 10,229.45 is: 15,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.37 : 42,017.09 = 10,229.45 : x
  2. Step 2: Convert to fraction form
    28,000.37/42,017.09 = 10,229.45/x
  3. Step 3: Cross multiply
    28,000.37x = 42,017.09 × 10,229.45
  4. Step 4: Simplify right side
    28,000.37x = 429,811,460.07
  5. Step 5: Solve for x
    x = 429,811,460.07/28,000.37
  6. Step 6: Final answer
    x = 15,350.21

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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.