Home / 27,711.76-38,242-15,136.52

Finding the Fourth Proportional to 27,711.76, 38,242 and 15,136.52

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Solution

The fourth proportional to 27,711.76, 38,242 and 15,136.52 is: 20,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711.76 : 38,242 = 15,136.52 : x
  2. Step 2: Convert to fraction form
    27,711.76/38,242 = 15,136.52/x
  3. Step 3: Cross multiply
    27,711.76x = 38,242 × 15,136.52
  4. Step 4: Simplify right side
    27,711.76x = 578,850,797.84
  5. Step 5: Solve for x
    x = 578,850,797.84/27,711.76
  6. Step 6: Final answer
    x = 20,888.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.