Home / 28,331.95-42,393.10-17,093.80

Finding the Fourth Proportional to 28,331.95, 42,393.10 and 17,093.80

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Solution

The fourth proportional to 28,331.95, 42,393.10 and 17,093.80 is: 25,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331.95 : 42,393.10 = 17,093.80 : x
  2. Step 2: Convert to fraction form
    28,331.95/42,393.10 = 17,093.80/x
  3. Step 3: Cross multiply
    28,331.95x = 42,393.10 × 17,093.80
  4. Step 4: Simplify right side
    28,331.95x = 724,659,172.78
  5. Step 5: Solve for x
    x = 724,659,172.78/28,331.95
  6. Step 6: Final answer
    x = 25,577.45

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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.