Home / 28,369.30-42,553.95-25,647.70

Finding the Fourth Proportional to 28,369.30, 42,553.95 and 25,647.70

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Solution

The fourth proportional to 28,369.30, 42,553.95 and 25,647.70 is: 38,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.30 : 42,553.95 = 25,647.70 : x
  2. Step 2: Convert to fraction form
    28,369.30/42,553.95 = 25,647.70/x
  3. Step 3: Cross multiply
    28,369.30x = 42,553.95 × 25,647.70
  4. Step 4: Simplify right side
    28,369.30x = 1,091,410,943.42
  5. Step 5: Solve for x
    x = 1,091,410,943.42/28,369.30
  6. Step 6: Final answer
    x = 38,471.55

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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.