Home / 28,060.02-42,057.70-11,401.75

Finding the Fourth Proportional to 28,060.02, 42,057.70 and 11,401.75

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Solution

The fourth proportional to 28,060.02, 42,057.70 and 11,401.75 is: 17,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.02 : 42,057.70 = 11,401.75 : x
  2. Step 2: Convert to fraction form
    28,060.02/42,057.70 = 11,401.75/x
  3. Step 3: Cross multiply
    28,060.02x = 42,057.70 × 11,401.75
  4. Step 4: Simplify right side
    28,060.02x = 479,531,380.98
  5. Step 5: Solve for x
    x = 479,531,380.98/28,060.02
  6. Step 6: Final answer
    x = 17,089.49

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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.