Home / 28,859.89-43,294.16-10,136.63

Finding the Fourth Proportional to 28,859.89, 43,294.16 and 10,136.63

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Solution

The fourth proportional to 28,859.89, 43,294.16 and 10,136.63 is: 15,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.89 : 43,294.16 = 10,136.63 : x
  2. Step 2: Convert to fraction form
    28,859.89/43,294.16 = 10,136.63/x
  3. Step 3: Cross multiply
    28,859.89x = 43,294.16 × 10,136.63
  4. Step 4: Simplify right side
    28,859.89x = 438,856,689.95
  5. Step 5: Solve for x
    x = 438,856,689.95/28,859.89
  6. Step 6: Final answer
    x = 15,206.46

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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.