Home / 28,427.77-42,586.23-17,306.87

Finding the Fourth Proportional to 28,427.77, 42,586.23 and 17,306.87

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Solution

The fourth proportional to 28,427.77, 42,586.23 and 17,306.87 is: 25,926.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427.77 : 42,586.23 = 17,306.87 : x
  2. Step 2: Convert to fraction form
    28,427.77/42,586.23 = 17,306.87/x
  3. Step 3: Cross multiply
    28,427.77x = 42,586.23 × 17,306.87
  4. Step 4: Simplify right side
    28,427.77x = 737,034,452.87
  5. Step 5: Solve for x
    x = 737,034,452.87/28,427.77
  6. Step 6: Final answer
    x = 25,926.57

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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.