Home / 28,859.94-43,294.23-10,142.19

Finding the Fourth Proportional to 28,859.94, 43,294.23 and 10,142.19

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Solution

The fourth proportional to 28,859.94, 43,294.23 and 10,142.19 is: 15,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.94 : 43,294.23 = 10,142.19 : x
  2. Step 2: Convert to fraction form
    28,859.94/43,294.23 = 10,142.19/x
  3. Step 3: Cross multiply
    28,859.94x = 43,294.23 × 10,142.19
  4. Step 4: Simplify right side
    28,859.94x = 439,098,306.56
  5. Step 5: Solve for x
    x = 439,098,306.56/28,859.94
  6. Step 6: Final answer
    x = 15,214.80

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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.