Home / 28,136.59-42,191.82-10,362.76

Finding the Fourth Proportional to 28,136.59, 42,191.82 and 10,362.76

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Solution

The fourth proportional to 28,136.59, 42,191.82 and 10,362.76 is: 15,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136.59 : 42,191.82 = 10,362.76 : x
  2. Step 2: Convert to fraction form
    28,136.59/42,191.82 = 10,362.76/x
  3. Step 3: Cross multiply
    28,136.59x = 42,191.82 × 10,362.76
  4. Step 4: Simplify right side
    28,136.59x = 437,223,704.62
  5. Step 5: Solve for x
    x = 437,223,704.62/28,136.59
  6. Step 6: Final answer
    x = 15,539.33

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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.